Authors: George Rajna
The three-year Rydberg Quantum Simulators (RYSQ) project was set up to capitalize on the versatility of Rydberg atoms in order to address a variety of quantum simulations.  Using lasers, U.S. and Austrian physicists have coaxed ultracold strontium atoms into complex structures unlike any previously seen in nature.  A team of researchers has now presented this state of matter in the journal Physical Review Letters. The theoretical work was done at TU Wien (Vienna) and Harvard University, the experiment was performed at Rice University in Houston (Texas).  The old question, whether quantum systems show recurrences, can finally be answered: Yes, they do-but the concept of recurrence has to be slightly redefined.  Researchers at Purdue University have performed the first experimental tests of several fundamental theorems in thermodynamics, verifying the relationship between them and providing a better understanding of how nanoparticles behave under fluctuation.  Identifying right-handed and left-handed molecules is a crucial step for many applications in chemistry and pharmaceutics.  A team of researchers from several institutions in Japan has described a physical system that can be described as existing above "absolute hot" and also below absolute zero.  A silicon-based quantum computing device could be closer than ever due to a new experimental device that demonstrates the potential to use light as a messenger to connect quantum bits of information-known as qubits-that are not immediately adjacent to each other.  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.  Theoretical physicists propose to use negative interference to control heat flow in quantum devices.  Particle physicists are studying ways to harness the power of the quantum realm to further their research. 
Comments: 62 Pages.
[v1] 2019-07-17 10:13:05
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