| viXra.org > Condensed Matter > 2003 |
 |
 |
| viXra.org > Condensed Matter > 2003 |
|
|
[45] viXra:2003.0676 [pdf] submitted on 2020-03-31 02:17:19
Authors: Fahriddin Karimov, Alexander Yushkanov
Comments: 3 Pages.
Were analyzed boundary conditions for kinetic equations describing
the dynamics of electrons in the metal. Boundary condition of the
Fuchs and
boundary condition of Soffer are considered.
Were taken into account the Andreev conditions for almost tangential moving electrons.
It is shown that the Soffer boundary condition does not satisfy this condition.
It was proposed the boundary condition that satisfies the Andreev condition.
It is shown that this boundary condition in the limiting case passes into
the mirror--diffuse Fuchs boundary condition.
Category: Condensed Matter
[44] viXra:2003.0675 [pdf] submitted on 2020-03-31 02:19:57
Authors: Lam Thi Nhung, Alexander Yushkanov
Comments: 3 Pages.
The kinetic equation for electrons in polycrystalline metal has been considered.
This kinetic equation takes into account, along with collisions of electrons
with impurities the collisions of electrons with the boundaries of the grains.
We analyze the influence of a scattering of electrons on the boundaries of the
grains on his electric properties.
Category: Condensed Matter
[43] viXra:2003.0662 [pdf] submitted on 2020-03-31 10:07:55
Authors: George Rajna
Comments: 51 Pages.
In a new report published on Science, Zhenyi Ni and a research team in applied physical sciences, mechanical and materials engineering and computer and energy engineering in the U.S. profiled spatial and energetic distributions of trap states or defects in metal halide perovskite single-crystalline polycrystalline solar cells. [31] Researchers at Tokai University report in Nano Letters a systematic study on the effects that using different forms of titanium oxide in planar perovskite solar cells has on the performance of the devices. [30] KU Leuven researchers from the Roeffaers Lab and the Hofkens Group have now put forward a very promising direct X-ray detector design, based on a rapidly emerging halide perovskite semiconductor, with chemical formula Cs2AgBiBr6. [29] Physicists at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) have proven that incoming light causes the electrons in warm perovskites to rotate, thus influencing the direction of the flow of electrical current. [28] Self-assembly and crystallisation of nanoparticles (NPs) is generally a complex process, based on the evaporation or precipitation of NP-building blocks. [27] New nanoparticle-based films that are more than 80 times thinner than a human hair may help to fill this need by providing materials that can holographically archive more than 1000 times more data than a DVD in a 10-by-10-centimeter piece of film. [26] Researches of scientists from South Ural State University are implemented within this area. [25] Following three years of extensive research, Hebrew University of Jerusalem (HU) physicist Dr. Uriel Levy and his team have created technology that will enable computers and all optic communication devices to run 100 times faster through terahertz microchips. [24] When the energy efficiency of electronics poses a challenge, magnetic materials may have a solution. [23] An exotic state of matter that is dazzling scientists with its electrical properties, can also exhibit unusual optical properties, as shown in a theoretical study by researchers at A*STAR. [22]
Category: Condensed Matter
[42] viXra:2003.0651 [pdf] submitted on 2020-03-30 08:04:23
Authors: George Rajna
Comments: 55 Pages.
Now physicists at MIT have come up with a blueprint for a device they believe would be able to convert ambient terahertz waves into a direct current, a form of electricity that powers many household electronics. [35] A pair of researchers, one with the Langevin Institute, the other a company called Greenerwave, both in France, has developed a way to use ordinary Wi-Fi signals to perform analog, wave-based computations. [34] A scientist involved in expanding quantum communication to a network of users, is continuing his work at the University of Bristol. [33] In recent years, nanofabricated mechanical oscillators have emerged as a promising platform for quantum information applications. [32] Quantum communication, which ensures absolute data security, is one of the most advanced branches of the "second quantum revolution". [31] Researchers at the University of Bristol's Quantum Engineering Technology Labs have demonstrated a new type of silicon chip that can help building and testing quantum computers and could find their way into your mobile phone to secure information. [30] Theoretical physicists propose to use negative interference to control heat flow in quantum devices. [29] Particle physicists are studying ways to harness the power of the quantum realm to further their research. [28] A fundamental barrier to scaling quantum computing machines is "qubit interference." In new research published in Science Advances, engineers and physicists from Rigetti Computing describe a breakthrough that can expand the size of practical quantum processors by reducing interference. [26] The search and manipulation of novel properties emerging from the quantum nature of matter could lead to next-generation electronics and quantum computers. [25]
Category: Condensed Matter
[41] viXra:2003.0650 [pdf] submitted on 2020-03-30 09:08:03
Authors: George Rajna
Comments: 31 Pages.
Researchers from the Shenzhen Institutes of Advanced Technology (SIAT) of the Chinese Academy of Sciences developed a compact liquid sensor based on a liquid-filled glass cylindrical shell. [24]
University College Cork (UCC) & University of Oxford Professor of Physics, Séamus Davis, has led a team of experimental physicists in the discovery of the magnetic noise generated by a fluid of magnetic monopoles. [23]
There are two sound velocities in a Bose-Einstein condensate. In addition to the normal sound propagation there is second sound, which is a quantum phenomenon. [22] Quantum sensors can reach sensitivities that are impossible according to the laws of conventional physics that govern everyday life. [21] An international team of physicists at ETH Zurich, Aalto University, the Moscow Institute of Physics and Technology, and the Landau Institute for Theoretical Physics in Moscow has demonstrated that algorithms and hardware developed originally in the context of quantum computation can be harnessed for quantum-enhanced sensing of magnetic fields. [20] Scientists at Forschungszentrum Jülich have now discovered another class of particle-like magnetic object that could take the development of data storage devices a significant step forward. [19] A team of researchers with members from IBM Research-Zurich and RWTH Aachen University has announced the development of a new PCM (phase change memory) design that offers miniaturized memory cell volume down to three nanometers. [18] Monatomic glassy antimony might be used as a new type of single-element phase change memory. [17] Physicists have designed a 3-D quantum memory that addresses the tradeoff between achieving long storage times and fast readout times, while at the same time maintaining a compact form. [16] Quantum memories are devices that can store quantum information for a later time, which are usually implemented by storing and re-emitting photons with certain quantum states. [15]
Category: Condensed Matter
[40] viXra:2003.0648 [pdf] submitted on 2020-03-30 09:41:02
Authors: George Rajna
Comments: 78 Pages.
UNSW researchers have shown how a new class of low-cost graphene-based membranes-a type of filter used in industry sectors that generate enormous mixed waste gases, such as solid plastic waste, biowaste or wastewater-can be selectively tuned to separate different gases from gaseous mixtures. [49] The wonder-material graphene could hold the key to unlocking the next generation of advanced, early stage lung cancer diagnosis. [48] Now, researchers from Brown University's School of Engineering have explained how the phenomenon works, and that explanation could pave the way for a new type of controlled molecular self-assembly. [47] The team has turned graphene oxide (GO) into a soft, moldable and kneadable play dough that can be shaped and reshaped into free-standing, three-dimensional structures. [46]
Category: Condensed Matter
[39] viXra:2003.0609 [pdf] submitted on 2020-03-28 10:07:18
Authors: George Rajna
Comments: 69 Pages.
The team suggested its findings may apply to other types of nanotubes, including boron nitride and molybdenum disulfide, on their own or as hybrids with carbon nanotubes. [46]
An international team of scientists led by researchers from the Laboratory of Nanomaterials at the Skoltech Center for Photonics and Quantum Materials (CPQM) has shown that the nonlinear optical response of carbon nanotubes can be controlled by electrochemical gating. [45]
The ever-more-humble carbon nanotube may be just the device to make solar panels—and anything else that loses energy through heat—far more efficient. [44]
Category: Condensed Matter
[38] viXra:2003.0594 [pdf] submitted on 2020-03-27 05:23:14
Authors: George Rajna
Comments: 22 Pages.
As described in a paper just published in the journal Physical Review Letters, scientists used x-rays at Brookhaven's National Synchrotron Light Source II (NSLS-II)—a U.S. Department of Energy Office of Science user facility—and two other synchrotron light sources to explore an unusual metal that expands dramatically at low temperature. [29]
The ALPHA collaboration at CERN has reported the first measurements of certain quantum effects in the energy structure of antihydrogen, the antimatter counterpart of hydrogen. [28]
Researchers at the CERN particle-physics laboratory in Switzerland used laser spectroscopy to scrutinize the fine structure of antihydrogen, revealing with an uncertainty of a few percent that the tiny difference in energy of states — known as the Lamb shift — is the same as it is in normal hydrogen. [27]
Category: Condensed Matter
[37] viXra:2003.0587 [pdf] submitted on 2020-03-27 10:40:04
Authors: George Rajna
Comments: 45 Pages.
A research group led by Prof. LI Jia and Prof. XU Xuefeng from the Shenzhen Institutes of Advanced Technology (SIAT) of the Chinese Academy of Sciences, along with Prof. YANG Dexing from Northwestern Polytechnical University, developed a highly responsive all-fiber humidity sensor with an ultrafast response time as fast as 7ms. [31]
Owing to the excellent dispersion ability, diffraction gratings are playing an important role in widespread fields ranging from spectrometers to chirped pulse amplifiers. [30]
Researchers have developed a light-based technique for measuring very weak magnetic fields, such as those produced when neurons fire in the brain. [29]
Category: Condensed Matter
[36] viXra:2003.0586 [pdf] submitted on 2020-03-27 10:48:50
Authors: George Rajna
Comments: 49 Pages.
Actuated colloids are excellent model systems to investigate emerging out-of-equilibrium structures, complex collective dynamics and design rules for next-generation materials. [32]
A research group led by Prof. LI Jia and Prof. XU Xuefeng from the Shenzhen Institutes of Advanced Technology (SIAT) of the Chinese Academy of Sciences, along with Prof. YANG Dexing from Northwestern Polytechnical University, developed a highly responsive all-fiber humidity sensor with an ultrafast response time as fast as 7ms. [31]
Owing to the excellent dispersion ability, diffraction gratings are playing an important role in widespread fields ranging from spectrometers to chirped pulse amplifiers. [30]
Category: Condensed Matter
[35] viXra:2003.0574 [pdf] submitted on 2020-03-26 03:40:53
Authors: George Rajna
Comments: 66 Pages.
Terahertz (THz) waves fall between microwave and infrared radiation in the electromagnetic spectrum, oscillating at frequencies of between 100 billion and 30 trillion cycles per second. [41]
This study shows the potential for engineered nanoparticles to magnetically control terahertz beams. [40]
A new cancer therapy using nanoparticles to deliver a combination therapy direct to cancer cells could be on the horizon, thanks to research from the University of East Anglia. [39]
Category: Condensed Matter
[34] viXra:2003.0569 [pdf] submitted on 2020-03-26 06:49:40
Authors: George Rajna
Comments: 43 Pages.
So far, the researchers' calculations do not extend to the behavior of a zero-charge polyacetylene soliton that carries spin, but they expect that it should be possible to manipulate this with a magnetic field gradient. [28]
Researchers have developed the first materials that can permanently change from solid to liquid, or vice versa, when exposed to light at room temperature, and remain in the new phase even after the light is removed. [27]
Category: Condensed Matter
[33] viXra:2003.0568 [pdf] submitted on 2020-03-26 07:13:14
Authors: George Rajna
Comments: 49 Pages.
This "coffee ring effect" has fascinated scientists for decades, but now a team says they have uncovered the mechanism behind an even more striking, web-like pattern that forms when drops of American whiskey dry up. [32] Scientists from ITMO University have developed and applied a new method for analyzing the electromagnetic field inside ion traps. [31] For the first time, physicists at the University of Basel have succeeded in measuring the magnetic properties of atomically thin van der Waals materials on the nanoscale. [30] Diamonds are prized for their purity, but their flaws might hold the key to a new type of highly secure communications. [29] Researchers from Chalmers University of Technology, Sweden, and Tallinn University of Technology, Estonia, have demonstrated a 4000 kilometre fibre-optical transmission link using ultra low-noise, phase-sensitive optical amplifiers. [28] Researchers at the University of York have shown that a new quantum-based procedure for distributing secure information along communication lines could be successful in preventing serious security breaches. [27] In the new study, Bomantara and Gong have developed a method for harnessing the unique properties of time crystals for quantum computing that is based on braiding. [26] An Aalto University study has provided new evidence that time crystals can physically exist-a claim currently under hot debate. [25] Yale physicists have uncovered hints of a time crystal-a form of matter that "ticks" when exposed to an electromagnetic pulse-in the last place they expected: a crystal you might find in a child's toy. [24] The research shows that concentrated electrolytes in solution affect hydrogen bonding, ion interactions, and coordination geometries in currently unpredictable ways. [23]
Category: Condensed Matter
[32] viXra:2003.0531 [pdf] submitted on 2020-03-25 10:14:41
Authors: George Rajna
Comments: 46 Pages.
Now, scientists from the Femtosecond Spectroscopy Unit at the Okinawa Institute of Science and Technology Graduate University (OIST) have shed light on how excitons—an excited state of matter at the core of optoelectronics—move and interact within phosphorene. Researchers at ANU recently proved a novel method for generating orbital angular momentum states (vortices), with a topological charge that is ensured by an exceptional point. [29] To build tomorrow's quantum computers, some researchers are turning to dark excitons, which are bound pairs of an electron and the absence of an electron called a hole. [27] Concerning the development of quantum memories for the realization of global quantum networks, scientists of the Quantum Dynamics Division led by Professor Gerhard Rempe at the Max Planck Institute of Quantum Optics (MPQ) have now achieved a major breakthrough: they demonstrated the long-lived storage of a photonic qubit on a single atom trapped in an optical resonator. [26] Achieving strong light-matter interaction at the quantum level has always been a central task in quantum physics since the emergence of quantum information and quantum control. [25] Operation at the single-photon level raises the possibility of developing entirely new communication and computing devices, ranging from hardware random number generators to quantum computers. [24] Considerable interest in new single-photon detector technologies has been scaling in this past decade. [23] Engineers develop key mathematical formula for driving quantum experiments. [22] Physicists are developing quantum simulators, to help solve problems that are beyond the reach of conventional computers. [21] Engineers at Australia's University of New South Wales have invented a radical new architecture for quantum computing, based on novel 'flip-flop qubits', that promises to make the large-scale manufacture of quantum chips dramatically cheaper-and easier-than thought possible. [20]
Category: Condensed Matter
[31] viXra:2003.0518 [pdf] submitted on 2020-03-24 03:33:55
Authors: Oleg G. Verin
Comments: 19 Pages.
The surface tension of a liquid is associated with many effects such as capillary forces, meniscus formation at walls of a vessel containing liquid, shaping of drops of liquid, etc.
In a basis of these physical phenomena are interatomic and intermolecular forces both inside of a liquid and on the surfaces of contact of a liquid with environment and solid substances. It is confirmed by the evident and well-known interrelation of surface tension with vaporation heat of liquids.
Researches of apparently quite clear physical phenomena in liquids with the purpose to get more exact and detailed knowledge are caused by requirements of modern techniques and technologies development. It concerns in full with studying of liquids properties in a drop state.
In given article the solution method of a problem on the form of a drop of liquid in the gravitational field, convenient for the numerical solution on modern computers, specifically is presented. Examples of this problem solution are offered and some characteristic results are shown.
Category: Condensed Matter
[30] viXra:2003.0442 [pdf] submitted on 2020-03-21 06:01:22
Authors: George Rajna
Comments: 46 Pages.
The dispersion around the Dirac point is isotropic, and thus, our macroscopic system serves as a good platform to simulate relativistic Dirac physics," the scientists forecast. [31]
Lattice thermal conductivity strongly affects the applications of materials related to thermal functionality, such as thermal management, thermal barrier coatings and thermoelectrics. [30]
A team of researchers from the Helmholtz-Zentrum Berlin (HZB) and the University of Potsdam has investigated heat transport in a model system comprising nanometre-thin metallic and magnetic layers. [29]
Category: Condensed Matter
[29] viXra:2003.0439 [pdf] submitted on 2020-03-21 08:30:29
Authors: George Rajna
Comments: 54 Pages.
Grain boundaries are one of the most prominent defects in engineering materials separating different crystallites, which determine their strength, corrosion resistance and failure. [34] Ferroelectric materials have a spontaneous dipole moment which can point up or down. [33] Researchers have successfully demonstrated that hypothetical particles that were proposed by Franz Preisach in 1935 actually exist. [32] Scientists from the Department of Energy's SLAC National Accelerator Laboratory and the Massachusetts Institute of Technology have demonstrated a surprisingly simple way of flipping a material from one state into another, and then back again, with single flashes of laser light. [31] Materials scientists at Duke University computationally predicted the electrical and optical properties of semiconductors made from extended organic molecules sandwiched by inorganic structures. [30] KU Leuven researchers from the Roeffaers Lab and the Hofkens Group have now put forward a very promising direct X-ray detector design, based on a rapidly emerging halide perovskite semiconductor, with chemical formula Cs2AgBiBr6. [29] Physicists at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) have proven that incoming light causes the electrons in warm perovskites to rotate, thus influencing the direction of the flow of electrical current. [28] Self-assembly and crystallisation of nanoparticles (NPs) is generally a complex process, based on the evaporation or precipitation of NP-building blocks. [27] New nanoparticle-based films that are more than 80 times thinner than a human hair may help to fill this need by providing materials that can holographically archive more than 1000 times more data than a DVD in a 10-by-10-centimeter piece of film. [26] Researches of scientists from South Ural State University are implemented within this area. [25]
Category: Condensed Matter
[28] viXra:2003.0437 [pdf] submitted on 2020-03-21 08:48:34
Authors: George Rajna
Comments: 58 Pages.
When it comes to batteries, there are always areas for improvement: the race is on to develop batteries that are cheaper, safer, longer lasting, more energy dense, and easily recyclable. [35] Grain boundaries are one of the most prominent defects in engineering materials separating different crystallites, which determine their strength, corrosion resistance and failure. [34] Ferroelectric materials have a spontaneous dipole moment which can point up or down. [33] Researchers have successfully demonstrated that hypothetical particles that were proposed by Franz Preisach in 1935 actually exist. [32] Scientists from the Department of Energy's SLAC National Accelerator Laboratory and the Massachusetts Institute of Technology have demonstrated a surprisingly simple way of flipping a material from one state into another, and then back again, with single flashes of laser light. [31] Materials scientists at Duke University computationally predicted the electrical and optical properties of semiconductors made from extended organic molecules sandwiched by inorganic structures. [30] KU Leuven researchers from the Roeffaers Lab and the Hofkens Group have now put forward a very promising direct X-ray detector design, based on a rapidly emerging halide perovskite semiconductor, with chemical formula Cs2AgBiBr6. [29] Physicists at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) have proven that incoming light causes the electrons in warm perovskites to rotate, thus influencing the direction of the flow of electrical current. [28] Self-assembly and crystallisation of nanoparticles (NPs) is generally a complex process, based on the evaporation or precipitation of NP-building blocks. [27] New nanoparticle-based films that are more than 80 times thinner than a human hair may help to fill this need by providing materials that can holographically archive more than 1000 times more data than a DVD in a 10-by-10-centimeter piece of film. [26]
Category: Condensed Matter
[27] viXra:2003.0436 [pdf] submitted on 2020-03-21 09:21:07
Authors: George Rajna
Comments: 63 Pages.
Microfluidic paper-based analytical devices (µPADs) are a promising concept with rapid development in recent years. [36] When it comes to batteries, there are always areas for improvement: the race is on to develop batteries that are cheaper, safer, longer lasting, more energy dense, and easily recyclable. [35] Grain boundaries are one of the most prominent defects in engineering materials separating different crystallites, which determine their strength, corrosion resistance and failure. [34] Ferroelectric materials have a spontaneous dipole moment which can point up or down. [33] Researchers have successfully demonstrated that hypothetical particles that were proposed by Franz Preisach in 1935 actually exist. [32] Scientists from the Department of Energy's SLAC National Accelerator Laboratory and the Massachusetts Institute of Technology have demonstrated a surprisingly simple way of flipping a material from one state into another, and then back again, with single flashes of laser light. [31] Materials scientists at Duke University computationally predicted the electrical and optical properties of semiconductors made from extended organic molecules sandwiched by inorganic structures. [30] KU Leuven researchers from the Roeffaers Lab and the Hofkens Group have now put forward a very promising direct X-ray detector design, based on a rapidly emerging halide perovskite semiconductor, with chemical formula Cs2AgBiBr6. [29] Physicists at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) have proven that incoming light causes the electrons in warm perovskites to rotate, thus influencing the direction of the flow of electrical current. [28] Self-assembly and crystallisation of nanoparticles (NPs) is generally a complex process, based on the evaporation or precipitation of NP-building blocks. [27]
Category: Condensed Matter
[26] viXra:2003.0435 [pdf] submitted on 2020-03-21 09:30:21
Authors: George Rajna
Comments: 65 Pages.
New experiments by researchers at The University of Manchester have placed the best limits yet on impermeability of graphene and other two-dimensional materials to gases and liquids. [37] Microfluidic paper-based analytical devices (µPADs) are a promising concept with rapid development in recent years. [36] When it comes to batteries, there are always areas for improvement: the race is on to develop batteries that are cheaper, safer, longer lasting, more energy dense, and easily recyclable. [35] Grain boundaries are one of the most prominent defects in engineering materials separating different crystallites, which determine their strength, corrosion resistance and failure. [34] Ferroelectric materials have a spontaneous dipole moment which can point up or down. [33] Researchers have successfully demonstrated that hypothetical particles that were proposed by Franz Preisach in 1935 actually exist. [32] Scientists from the Department of Energy's SLAC National Accelerator Laboratory and the Massachusetts Institute of Technology have demonstrated a surprisingly simple way of flipping a material from one state into another, and then back again, with single flashes of laser light. [31] Materials scientists at Duke University computationally predicted the electrical and optical properties of semiconductors made from extended organic molecules sandwiched by inorganic structures. [30] KU Leuven researchers from the Roeffaers Lab and the Hofkens Group have now put forward a very promising direct X-ray detector design, based on a rapidly emerging halide perovskite semiconductor, with chemical formula Cs2AgBiBr6. [29] Physicists at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) have proven that incoming light causes the electrons in warm perovskites to rotate, thus influencing the direction of the flow of electrical current. [28]
Category: Condensed Matter
[25] viXra:2003.0405 [pdf] submitted on 2020-03-19 14:17:20
Authors: George Rajna
Comments: 47 Pages.
The researchers deposited triangular molecules (methyltrioxatriangulenium) on gold and silver surfaces and observed their self-assembly into honeycomb superstructures using a scanning tunneling microscope. [30]
The researchers observed that molecules with the capacity to encode information are produced in systems called Weyl semimetals when time-reversal symmetry is broken. [29]
Researchers have developed a way to enhance the imaging speed of two-photon microscopy up to five times without compromising resolution. [28]
Category: Condensed Matter
[24] viXra:2003.0343 [pdf] replaced on 2025-09-24 08:41:49
Authors: Anindya Kumar Biswas
Comments: 44 Pages. A mistake in plotting BW(c=0.01) has been rectified
We study an Abor-Miri to English dictionary and a Mising to English dictionary. We count words one by one. We draw the natural logarithm of the number of words, normalised, starting with a letter vs the natural logarithm of the rank of the letter, normalised( unnormalised). We observe that the graphs are closer to the curves of reduced magnetisation vs reduced temperature for various approximations of the Ising model.We find that behind the words of Abor-Miri language, the magnetisation curve is BP(4,βH = 0.08), in the Bethe-Peierls approximation of Ising model with four nearest neighbours, in presence of liitle external magnetic field, βH = 0.08; behind the words of Mising language the magnetisation curve is BW(c=0.005), in the Bragg-Williams approximation of Ising model in the presenceof external magnetic field, H, with c =H/γε= 0.005. Neverthless, once the Mising alphabet is reduced to that of Abor-Miri, the magnetisation curve behind the Mising language is BP(4,βH = 0.08). Both seem to underlie the same type of magnetisation curve in the Spin-Glass phase in the presence of external magnetic field. Moreover, words of both Abor-Miri language and the Mising language in the reduced alphabet scheme, go over to Onsager solution, on few successive normalisations. β is 1/(k_B T) where, T is temperature and k_B is the Boltzmann constant.
Category: Condensed Matter
[23] viXra:2003.0331 [pdf] submitted on 2020-03-16 06:51:30
Authors: George Rajna
Comments: 38 Pages.
Two of the world's most powerful sources for neutron scattering at the US Department of Energy's (DOE's) Oak Ridge National Laboratory (ORNL) are getting upgrades. [23]
Direct observations of the structure and catalytic mechanism of a prototypical kinase enzyme—protein kinase A or PKA—will provide researchers and drug developers with significantly enhanced abilities to understand and treat fatal diseases and neurological disorders such as cancer, diabetes, and cystic fibrosis. [22]
The ability to grow large protein crystals is the single biggest bottleneck that limits the use of neutron protein crystallography in structural biology. [21]
Category: Condensed Matter
[22] viXra:2003.0328 [pdf] submitted on 2020-03-16 10:05:06
Authors: George Rajna
Comments: 43 Pages.
This breakthrough will provide a promising path for future applications of mechanically tunable technology. [24] Two of the world's most powerful sources for neutron scattering at the US Department of Energy's (DOE's) Oak Ridge National Laboratory (ORNL) are getting upgrades. [23]
Category: Condensed Matter
[21] viXra:2003.0312 [pdf] submitted on 2020-03-15 04:56:58
Authors: George Rajna
Comments: 69 Pages.
A novel technology, capable of analyzing nanomaterials in our daily lives with the use of common 'salt' has been developed. [47] The Lyding Group recently developed a technique that can be used to build carbon-nanotube-based fibers by creating chemical crosslinks. [46] Swansea University scientists have reported a new approach to measuring the conductivity between identical carbon nanotubes which could be used to help improve the efficiency of electrical power cables in the future. [45] By using nanocapsules, scientists and industrial partners are developing innovative garments and skin products that provide thermal comfort, and anti-aging and antimicrobial properties. [44] In a new study, researchers at the University of Illinois and the Missouri University of Science and Technology modeled a method to manipulate nanoparticles as an alternative mode of propulsion for tiny spacecraft that require very small levels of thrust. [43] As if they were bubbles expanding in a just-opened bottle of champagne, tiny circular regions of magnetism can be rapidly enlarged to provide a precise method of measuring the magnetic properties of nanoparticles. [42] Antennas made of carbon nanotube films are just as efficient as copper for wireless applications, according to researchers at Rice University's Brown School of Engineering. [41] The device is a high-efficiency round-trip light tunnel that squeezes visible light to the very tip of the condenser to interact with molecules locally and send back information that can decipher and visualize the elusive nanoworld. [40] "Smart glass," an energy-efficiency product found in newer windows of cars, buildings and airplanes, slowly changes between transparent and tinted at the flip of a switch. [39] With international collaboration, researchers at Aalto University have now developed a nanosized amplifier to help light signals propagate through microchips. [38] Physicists at the Kastler Brossel Laboratory in Paris have reached a milestone in the combination of cold atoms and nanophotonics. [37] The universal laws governing the dynamics of interacting quantum particles are yet to be fully revealed to the scientific community. [36]
Category: Condensed Matter
[20] viXra:2003.0311 [pdf] submitted on 2020-03-15 05:19:18
Authors: George Rajna
Comments: 69 Pages.
KAIST researchers developed a three-dimensional (3-D) hierarchically porous nanostructured catalyst with carbon dioxide (CO2) to carbon monoxide (CO) conversion rate up to 3.96 times higher than that of conventional nanoporous gold catalysts. [47] The Lyding Group recently developed a technique that can be used to build carbon-nanotube-based fibers by creating chemical crosslinks. [46] Swansea University scientists have reported a new approach to measuring the conductivity between identical carbon nanotubes which could be used to help improve the efficiency of electrical power cables in the future. [45] By using nanocapsules, scientists and industrial partners are developing innovative garments and skin products that provide thermal comfort, and anti-aging and antimicrobial properties. [44] In a new study, researchers at the University of Illinois and the Missouri University of Science and Technology modeled a method to manipulate nanoparticles as an alternative mode of propulsion for tiny spacecraft that require very small levels of thrust. [43] As if they were bubbles expanding in a just-opened bottle of champagne, tiny circular regions of magnetism can be rapidly enlarged to provide a precise method of measuring the magnetic properties of nanoparticles. [42] Antennas made of carbon nanotube films are just as efficient as copper for wireless applications, according to researchers at Rice University's Brown School of Engineering. [41] The device is a high-efficiency round-trip light tunnel that squeezes visible light to the very tip of the condenser to interact with molecules locally and send back information that can decipher and visualize the elusive nanoworld. [40] "Smart glass," an energy-efficiency product found in newer windows of cars, buildings and airplanes, slowly changes between transparent and tinted at the flip of a switch. [39] With international collaboration, researchers at Aalto University have now developed a nanosized amplifier to help light signals propagate through microchips. [38] Physicists at the Kastler Brossel Laboratory in Paris have reached a milestone in the combination of cold atoms and nanophotonics. [37]
Category: Condensed Matter
[19] viXra:2003.0300 [pdf] submitted on 2020-03-14 05:24:30
Authors: George Rajna
Comments: 39 Pages.
The building blocks of superconducting accelerators are superconducting radiofrequency (SRF) cavities made primarily from niobium that are combined in a vessel and bathed in liquid helium to reach superconducting temperatures. [26]
At the Institute of Nuclear Physics of the Polish Academy of Sciences in Cracow, a method has been presented that for the first time makes it possible to estimate the amount of negative pressure in spatially limited liquid crystal systems. [25]
The term "superfluid quasicrystal" sounds like something a comic-book villain might use to carry out his dastardly plans. [24]
Category: Condensed Matter
[18] viXra:2003.0272 [pdf] submitted on 2020-03-13 04:48:32
Authors: George Rajna
Comments: 51 Pages.
The researchers visualized two main types of magnetization dynamics in their experiments: the 3D motion of magnetic vortices moving back and forth; and the precession of the magnetization vector. [28] Scientists at Princeton University in the US have discovered that a material known as a Weaire-Phelan foam can act as an optical filter. [27] Using X-ray laser technology, a team led by researchers of the Paul Scherrer Institute PSI has recorded one of the fastest processes in biology. [26] A Virginia Commonwealth University researcher has developed a procedure for identifying the source of cells present in a forensic biological sample that could change how cell types are identified in samples across numerous industries. [25] In work at the National Institute of Standards and Technology (NIST) and the University of Maryland in College Park, researchers have devised and demonstrated a new way to measure free energy. [24] A novel technique developed by researchers at the ARC Centre of Excellence for Nanoscale BioPhotonics (CNBP) will help shine new light on biological questions by improving the quality and quantity of information that can be extracted in fluorescence microscopy. [23] Micro-computed tomography or "micro-CT" is X-ray imaging in 3-D, by the same method used in hospital CT (or "CAT") scans, but on a small scale with massively increased resolution. [22] A new experimental method permits the X-ray analysis of amyloids, a class of large, filamentous biomolecules which are an important hallmark of diseases such as Alzheimer's and Parkinson's. [12] Thumb through any old science textbook, and you'll likely find RNA described as little more than a means to an end, a kind of molecular scratch paper used to construct the proteins encoded in DNA. [20]
Category: Condensed Matter
[17] viXra:2003.0268 [pdf] submitted on 2020-03-13 08:09:52
Authors: George Rajna
Comments: 61 Pages.
The researchers found that the asymmetric microcavity structure can effectively suppress the visible light component, thereby affording narrow-band pure UV emission with tunable wavelength from 366 nm to 400 nm and full width at half maximum (FWHM) of from 9.95 to15.2 nm. [37] Silica optical microcavities are mainstay photonic devices, valued for their intrinsically ultra-low loss in the broadband spectra and mature fabrication processes, but unfortunately, they suffer from low second-and third-order optical nonlinearity. [36] Researchers have, for the first time, integrated two technologies widely used in applications such as optical communications, bio-imaging and Light Detection and Ranging (LIDAR) systems that scan the surroundings of self-driving cars and trucks. [35] The unique platform, which is referred as a 4-D microscope, combines the sensitivity and high time-resolution of phase imaging with the specificity and high spatial resolution of fluorescence microscopy. [34] The experiment relied on a soliton frequency comb generated in a chip-based optical microresonator made from silicon nitride. [33] This scientific achievement toward more precise control and monitoring of light is highly interesting for miniaturizing optical devices for sensing and signal processing. [32] It may seem like such optical behavior would require bending the rules of physics, but in fact, scientists at MIT, Harvard University, and elsewhere have now demonstrated that photons can indeed be made to interact-an accomplishment that could open a path toward using photons in quantum computing, if not in light sabers. [31] Optical highways for light are at the heart of modern communications. But when it comes to guiding individual blips of light called photons, reliable transit is far less common. [30] Theoretical physicists propose to use negative interference to control heat flow in quantum devices. [29] Particle physicists are studying ways to harness the power of the quantum realm to further their research. [28]
Category: Condensed Matter
[16] viXra:2003.0243 [pdf] submitted on 2020-03-12 10:59:09
Authors: George Rajna
Comments: 51 Pages.
For example, when the temperature is lowered below 125 kelvins, magnetite changes from a metal to an insulator, its atoms shift to a new lattice structure, and its charges form a complicated ordered pattern. [36]
Category: Condensed Matter
[15] viXra:2003.0235 [pdf] submitted on 2020-03-11 03:49:14
Authors: George Rajna
Comments: 61 Pages.
Leiden chemists have created a new ultrathin membrane only one molecule thick. The membrane can produce a hundred times more power from seawater than the best membranes used today. [39] Scientists at Texas Heart Institute (THI) and Rice University have used biocompatible fibres made of carbon nanotubes (CNTs) as electrical bridges to restore conductivity to damaged hearts. [38] A team of researchers from China, the U.S. and Japan has developed a way to strengthen graphene-based membranes intended for use in desalination projects-by fortifying them with nanotubes. [37] The team arrived at their results by imaging gold nanoparticles, with diameters ranging from 2 to 5 nanometres, via aberration corrected scanning transmission electron microscope. [36] Nanoparticles of less than 100 nanometres in size are used to engineer new materials and nanotechnologies across a variety of sectors. [35] For years, researchers have been trying to find ways to grow an optimal nanowire, using crystals with perfectly aligned layers all along the wire. [34] Ferroelectric materials have a spontaneous dipole moment which can point up or down. [33] Researchers have successfully demonstrated that hypothetical particles that were proposed by Franz Preisach in 1935 actually exist. [32] Scientists from the Department of Energy's SLAC National Accelerator Laboratory and the Massachusetts Institute of Technology have demonstrated a surprisingly simple way of flipping a material from one state into another, and then back again, with single flashes of laser light. [31] Materials scientists at Duke University computationally predicted the electrical and optical properties of semiconductors made from extended organic molecules sandwiched by inorganic structures. [30]
Category: Condensed Matter
[14] viXra:2003.0234 [pdf] submitted on 2020-03-11 04:22:51
Authors: George Rajna
Comments: 17 Pages.
An atomically thin materials platform developed by Penn State researchers in conjunction with Lawrence Berkeley National Lab and Oak Ridge National Lab will open a wide range of new applications in biomolecular sensing, quantum phenomena, catalysis and nonlinear optics. [13] To improve our understanding of the so-called quantum properties of materials, scientists at the TU Delft investigated thin slices of SrIrO3, a material that belongs to the family of complex oxides. [12] New research carried out by CQT researchers suggest that standard protocols that measure the dimensions of quantum systems may return incorrect numbers. [11] Is entanglement really necessary for describing the physical world, or is it possible to have some post-quantum theory without entanglement? [10] A trio of scientists who defied Einstein by proving the nonlocal nature of quantum entanglement will be honoured with the John Stewart Bell Prize from the University of Toronto (U of T). [9] While physicists are continually looking for ways to unify the theory of relativity, which describes large-scale phenomena, with quantum theory, which describes small-scale phenomena, computer scientists are searching for technologies to build the quantum computer using Quantum Information. In August 2013, the achievement of "fully deterministic" quantum teleportation, using a hybrid technique, was reported. On 29 May 2014, scientists announced a reliable way of transferring data by quantum teleportation. Quantum teleportation of data had been done before but with highly unreliable methods. The accelerating electrons explain not only the Maxwell Equations and the Special Relativity, but the Heisenberg Uncertainty Relation, the Wave-Particle Duality and the electron's spin also, building the Bridge between the Classical and Quantum Theories. The Planck Distribution Law of the electromagnetic oscillators explains the electron/proton mass rate and the Weak and Strong Interactions by the diffraction patterns. The Weak Interaction changes the diffraction patterns by moving the electric charge from one side to the other side of the diffraction pattern, which violates the CP and Time reversal symmetry. The diffraction patterns and the locality of the self-maintaining electromagnetic potential explains also the Quantum Entanglement, giving it as a natural part of the Relativistic Quantum Theory and making possible to build the Quantum Computer with the help of Quantum Information.
Category: Condensed Matter
[13] viXra:2003.0231 [pdf] submitted on 2020-03-11 04:56:24
Authors: George Rajna
Comments: 55 Pages.
Stanford University researchers created an inverse design codebase called SPINS that can help researchers explore different design methodologies to find fabricable optical and nanophotonic structures. [32] Vacuum fluctuations just a few nanometres from the surface of a material can cause a passing beam of relativistic electrons to emit X-rays and other high-frequency electromagnetic radiation-according to calculations done by scientists in the US, Israel and Singapore. [31] A simple, passive photonic structure made only of glass and air bubbles could perform artificial neural computing for applications in areas like facial recognition. [30] Most artificial intelligence (AI) systems try to replicate biological mechanisms and behaviors observed in nature. [29] "We basically combined advances in neural networks and machine-learning with quantum Monte Carlo tools," says Savona, referring to a large toolkit of computational methods that physicists use to study complex quantum systems. [28] As cosmologists and astrophysicists delve deeper into the darkest recesses of the universe, their need for increasingly powerful observational and computational tools has expanded exponentially. [27] Now, a team of scientists at MIT and elsewhere has developed a neural network, a form of artificial intelligence (AI), that can do much the same thing, at least to a limited extent: It can read scientific papersand render a plain-English summary in a sentence or two. [26] To address this gap in the existing literature, a team of researchers at SRI International has created a human-AI image guessing game inspired by the popular game 20 Questions (20Q), which can be used to evaluate the helpfulness of machine explanations. [25]
Category: Condensed Matter
[12] viXra:2003.0228 [pdf] submitted on 2020-03-11 09:08:01
Authors: George Rajna
Comments: 62 Pages.
Researchers at the University of Illinois at Urbana-Champaign recently uncovered more properties of graphene sheets that can benefit industry. [40]
Leiden chemists have created a new ultrathin membrane only one molecule thick. The membrane can produce a hundred times more power from seawater than the best membranes used today. [39]
Scientists at Texas Heart Institute (THI) and Rice University have used biocompatible fibres made of carbon nanotubes (CNTs) as electrical bridges to restore conductivity to damaged hearts. [38]
Category: Condensed Matter
[11] viXra:2003.0227 [pdf] submitted on 2020-03-11 09:25:54
Authors: George Rajna
Comments: 64 Pages.
A research team at Delft University of Technology (TU Delft, The Netherlands) has now developed a mathematical model that can be used to guide the large-scale production of these ultrathin layers of carbon. [41] Researchers at the University of Illinois at Urbana-Champaign recently uncovered more properties of graphene sheets that can benefit industry. [40] Leiden chemists have created a new ultrathin membrane only one molecule thick. The membrane can produce a hundred times more power from seawater than the best membranes used today. [39] Scientists at Texas Heart Institute (THI) and Rice University have used biocompatible fibres made of carbon nanotubes (CNTs) as electrical bridges to restore conductivity to damaged hearts. [38] A team of researchers from China, the U.S. and Japan has developed a way to strengthen graphene-based membranes intended for use in desalination projects-by fortifying them with nanotubes. [37] The team arrived at their results by imaging gold nanoparticles, with diameters ranging from 2 to 5 nanometres, via aberration corrected scanning transmission electron microscope. [36] Nanoparticles of less than 100 nanometres in size are used to engineer new materials and nanotechnologies across a variety of sectors. [35] For years, researchers have been trying to find ways to grow an optimal nanowire, using crystals with perfectly aligned layers all along the wire. [34] Ferroelectric materials have a spontaneous dipole moment which can point up or down. [33] Researchers have successfully demonstrated that hypothetical particles that were proposed by Franz Preisach in 1935 actually exist. [32] Scientists from the Department of Energy's SLAC National Accelerator Laboratory and the Massachusetts Institute of Technology have demonstrated a surprisingly simple way of flipping a material from one state into another, and then back again, with single flashes of laser light. [31]
Category: Condensed Matter
[10] viXra:2003.0201 [pdf] submitted on 2020-03-10 06:41:45
Authors: George Rajna
Comments: 38 Pages.
Flocks of starlings that produce dazzling patterns across the sky are natural examples of active matter-groups of individual agents coming together to create collective dynamics. [26] A research team led by the University of Leeds, in collaboration with colleagues at the Sorbonne University in Paris, France, have shown for the first time that it is possible to develop a diagnostic technique loosely related to the idea of a tuning fork. [25] Physicists at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) have successfully generated controlled electron pulses in the attosecond range. [24] A University of Oklahoma physicist, Alberto M. Marino, is developing quantum-enhanced sensors that could find their way into applications ranging from biomedical to chemical detection. Researchers from Queen Mary University of London have developed a mathematical model for the emergence of innovations. [17] Quantum computers can be made to utilize effects such as quantum coherence and entanglement to accelerate machine learning. [16]
Category: Condensed Matter
[9] viXra:2003.0176 [pdf] submitted on 2020-03-09 09:44:00
Authors: George Rajna
Comments: 35 Pages.
Researchers at NIST have devised a way to eliminate a long-standing problem affecting our understanding of both living cells and batteries. [22]
Researchers at the Center for Theoretical Physics of Complex Systems (PCS), within the Institute for Basic Science (IBS, South Korea) have proposed a transistor made of graphene and a two-dimensional superconductor that amplifies terahertz (THz) signals. [21]
As air travel comes under pressure to reduce its environmental impact and prompts us to reconsider our transport choices, scientists are searching for greener ways to power flight. [20]
Scientists at the U.S. Department of Energy's Ames Laboratory have developed a method to accurately measure the "exact edge" or onset at which a magnetic field enters a superconducting material. [19]
TU Wien has now made a major advance towards achieving this goal and, at the same time, has furthered an understanding of why conventional materials only become superconducting at around-200°C [18] The emerging field of spintronics leverages electron spin and magnetization. [17] The first known superconductor in which spin-3/2 quasiparticles form Cooper pairs has been created by physicists in the US and New Zealand. [16] Now a team of researchers from the University of Maryland (UMD) Department of Physics together with collaborators has seen exotic superconductivity that relies on highly unusual electron interactions. [15] A group of researchers from institutions in Korea and the United States has determined how to employ a type of electron microscopy to cause regions within an iron-based superconductor to flip between superconducting and non-superconducting states. [14] In new research, scientists at the University of Minnesota used a first-of-its-kind device to demonstrate a way to control the direction of the photocurrent without deploying an electric voltage. [13] Brown University researchers have demonstrated for the first time a method of substantially changing the spatial coherence of light. [12]
Category: Condensed Matter
[8] viXra:2003.0159 [pdf] submitted on 2020-03-08 11:38:02
Authors: George Rajna
Comments: 47 Pages.
El-Naggar and his colleagues have studied these "rock-breathing" bacteria, which one day might be used to produce sustainable energy, for years. [33]
Faster and more compact memory storage devices will become a reality when physicists gain precise control of the spins of electrons. [32]
UCLA biologists report they have transferred a memory from one marine snail to another, creating an artificial memory, by injecting RNA from one to another. [31]
Category: Condensed Matter
[7] viXra:2003.0157 [pdf] submitted on 2020-03-08 12:00:03
Authors: George Rajna
Comments: 36 Pages.
A research team led by the University of Leeds, in collaboration with colleagues at the Sorbonne University in Paris, France, have shown for the first time that it is possible to develop a diagnostic technique loosely related to the idea of a tuning fork. [25] Physicists at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) have successfully generated controlled electron pulses in the attosecond range. [24] A University of Oklahoma physicist, Alberto M. Marino, is developing quantum-enhanced sensors that could find their way into applications ranging from biomedical to chemical detection. Researchers from Queen Mary University of London have developed a mathematical model for the emergence of innovations. [17] Quantum computers can be made to utilize effects such as quantum coherence and entanglement to accelerate machine learning. [16] Neural networks learn how to carry out certain tasks by analyzing large amounts of data displayed to them. [15]
Category: Condensed Matter
[6] viXra:2003.0133 [pdf] submitted on 2020-03-06 10:21:25
Authors: George Rajna
Comments: 69 Pages.
They used new "diamondoids" as a promising precursor to develop laser-induced, high-pressure and high-temperature diamonds. [40] Researchers at the Okinawa Institute of Science and Technology Graduate University (OIST) have fabricated a novel glass and synthetic diamond foundation that can be used to create miniscule micro-and nanostructures. [39] Osaka University-led researchers demonstrated that the perturbation of laser imprinting on a capsule for nuclear fusion fuel made from stiff and heavy materials was mitigated. [38] Scientists found that relatively slow electrons are produced when intense lasers interact with small clusters of atoms, upturning current theories. [37] Lasers that emit ultrashort pulses of light are critical components of technologies, including communications and industrial processing, and have been central to fundamental Nobel Prize-winning research in physics. [36] A newly developed laser technology has enabled physicists in the Laboratory for Attosecond Physics (jointly run by LMU Munich and the Max Planck Institute of Quantum Optics) to generate attosecond bursts of high-energy photons of unprecedented intensity. [35] The unique platform, which is referred as a 4-D microscope, combines the sensitivity and high time-resolution of phase imaging with the specificity and high spatial resolution of fluorescence microscopy. [34] The experiment relied on a soliton frequency comb generated in a chip-based optical microresonator made from silicon nitride. [33] This scientific achievement toward more precise control and monitoring of light is highly interesting for miniaturizing optical devices for sensing and signal processing. [32] It may seem like such optical behavior would require bending the rules of physics, but in fact, scientists at MIT, Harvard University, and elsewhere have now demonstrated that photons can indeed be made to interact-an accomplishment that could open a path toward using photons in quantum computing, if not in light sabers. [31] Optical highways for light are at the heart of modern communications. But when it comes to guiding individual blips of light called photons, reliable transit is far less common. [30]
Category: Condensed Matter
[5] viXra:2003.0122 [pdf] submitted on 2020-03-06 04:32:08
Authors: George Rajna
Comments: 21 Pages.
Researchers from the University of Toronto Engineering and King Abdullah University of Science and Technology (KAUST) have overcome a key obstacle in combining the emerging solar-harvesting technology of perovskites with the commercial gold standard-silicon solar cells. [15] Researchers from the Theory Department of the MPSD in Hamburg and North Carolina State University in the US have demonstrated that the long-sought magnetic Weyl semi-metallic state can be induced by ultrafast laser pulses in a three-dimensional class of magnetic materials dubbed pyrochlore iridates. [14] At TU Wien recently, particles known as 'Weyl fermions' were discovered in materials with strong interaction between electrons. Just like light particles, they have no mass but nonetheless they move extremely slowly. [13] Quantum behavior plays a crucial role in novel and emergent material properties, such as superconductivity and magnetism. [12] A source of single photons that meets three important criteria for use in quantum information systems has been unveiled in China by an international team of physicists. Based on a quantum dot, the device is an efficient source of photons that emerge as solo particles that are indistinguishable from each other. The researchers are now trying to use the source to create a quantum computer based on "boson sampling". [11] With the help of a semiconductor quantum dot, physicists at the University of Basel have developed a new type of light source that emits single photons. For the first time, the researchers have managed to create a stream of identical photons. [10] Optical photons would be ideal carriers to transfer quantum information over large distances. Researchers envisage a network where information is processed in certain nodes and transferred between them via photons. [9] While physicists are continually looking for ways to unify the theory of relativity, which describes large-scale phenomena, with quantum theory, which describes small-scale phenomena, computer scientists are searching for technologies to build the quantum computer using Quantum Information. In August 2013, the achievement of "fully deterministic" quantum teleportation, using a hybrid technique, was reported. On 29 May 2014, scientists announced a reliable way of transferring data by quantum teleportation. Quantum teleportation of data had been done before but with highly unreliable methods. The accelerating electrons explain not only the Maxwell Equations and the Special Relativity, but the Heisenberg Uncertainty Relation, the Wave-Particle Duality and the electron's spin also, building the Bridge between the Classical and Quantum Theories. The Planck Distribution Law of the electromagnetic oscillators explains the electron/proton mass rate and the Weak and Strong Interactions by the diffraction patterns. The Weak Interaction changes the diffraction patterns by moving the electric charge from one side to the other side of the diffraction pattern, which violates the CP and Time reversal symmetry. The diffraction patterns and the locality of the self-maintaining electromagnetic potential explains also the Quantum Entanglement, giving it as a natural part of the Relativistic Quantum Theory and making possible to build the Quantum Computer with the help of Quantum Information.
Category: Condensed Matter
[4] viXra:2003.0115 [pdf] submitted on 2020-03-06 07:40:54
Authors: George Rajna
Comments: 62 Pages.
Tailoring the dimensions and other attributes of carbon nanotubes can substantially boost the amount of light they emit, three physicists at RIKEN have discovered. [40]
An international team of scientists led by researchers from the Laboratory of Nanomaterials at the Skoltech Center for Photonics and Quantum Materials (CPQM) has rationally designed a novel p-type flexible transparent conductor using single-walled carbon nanotubes. [39]
Scientists at Texas Heart Institute (THI) and Rice University have used biocompatible fibres made of carbon nanotubes (CNTs) as electrical bridges to restore conductivity to damaged hearts. [38]
Category: Condensed Matter
[3] viXra:2003.0103 [pdf] submitted on 2020-03-05 00:29:04
Authors: George Rajna
Comments: 51 Pages.
Professor Emanuele Orgiu, a researcher at INRS and a specialist in quantum materials. These materials are only a few atoms thick, but have remarkable optical, magnetic, and electrical properties. [36]
Category: Condensed Matter
[2] viXra:2003.0078 [pdf] submitted on 2020-03-04 07:41:32
Authors: George Rajna
Comments: 65 Pages.
Now MIT researchers have peered into the microstructure of colloidal gels and identified a surprisingly rich variety of behaviors in these squishy, phase-defying materials. [38] This camera is currently the fastest electron detector in the world, capturing atomic snapshots at 87,000 frames per second: about 50 times faster than the current state of the art. [37] "We put the optical microscope under a microscope to achieve accuracy near the atomic scale," said NIST's Samuel Stavis, who served as the project leader for these efforts. [36] Researchers have designed an interferometer that works with magnetic quasiparticles called magnons, rather than photons as in conventional interferometers. [35] A technique to manipulate electrons with light could bring quantum computing up to room temperature. [34] The USTC Microcavity Research Group in the Key Laboratory of Quantum Information has perfected a 4-port, all-optically controlled non-reciprocal multifunctional photonic device based on a magnetic-field-free optomechanical resonator. [33] To address this technology gap, a team of engineers from the National University of Singapore (NUS) has developed an innovative microchip, named BATLESS, that can continue to operate even when the battery runs out of energy. [32] Stanford researchers have developed a water-based battery that could provide a cheap way to store wind or solar energy generated when the sun is shining and wind is blowing so it can be fed back into the electric grid and be redistributed when demand is high. [31] Researchers at AMOLF and the University of Texas have circumvented this problem with a vibrating glass ring that interacts with light. They thus created a microscale circulator that directionally routes light on an optical chip without using magnets. [30] Researchers have discovered three distinct variants of magnetic domain walls in the helimagnet iron germanium (FeGe). [29]
Category: Condensed Matter
[1] viXra:2003.0061 [pdf] submitted on 2020-03-03 08:00:14
Authors: George Rajna
Comments: 43 Pages.
Now, a team of international scientists has used one of these instruments-the Pohang Accelerator Laboratory XFEL (PAL-XFEL) in South Korea-to monitor the melting of nanometer-thick gold films made up of lots of very tiny crystals oriented in various directions. [31] Freestanding clusters of 20 gold atoms take the shape of a pyramid, researchers have discovered. [30] The multimodal nanoscience approach to studying quantum physics phenomena is, they say, a "technological leap for how scientists can explore quantum materials to unearth new phenomena and guide future functional engineering of these materials for real-world applications." [29] Researchers have developed a three-dimensional dynamic model of an interaction between light and nanoparticles. [28] Scientists from ITMO University have developed effective nanoscale light sources based on halide perovskite. [27] Physicists have developed a technique based on optical microscopy that can be used to create images of atoms on the nanoscale. [26] Researchers have designed a new type of laser called a quantum dot ring laser that emits red, orange, and green light. [25] The world of nanosensors may be physically small, but the demand is large and growing, with little sign of slowing. [24] In a joint research project, scientists from the Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy (MBI), the Technische Universität Berlin (TU) and the University of Rostock have managed for the first time to image free nanoparticles in a laboratory experiment using a highintensity laser source. [23] For the first time, researchers have built a nanolaser that uses only a single molecular layer, placed on a thin silicon beam, which operates at room temperature. [22] A team of engineers at Caltech has discovered how to use computer-chip manufacturing technologies to create the kind of reflective materials that make safety vests, running shoes, and road signs appear shiny in the dark. [21]
Category: Condensed Matter
| Third-Party Links: |
|