Authors: George Rajna
Recently, researchers developed a system that can count muon events at a much faster rate, allowing an experiment to be completed in a suitable time frame.  The measurement delivers an order of magnitude improvement over the previous best and is a significant deviation from the most recent theoretical calculations. Resolving this discrepancy could lead to improvements in molecular quantum theory and could result in a better measured value for the proton radius.  Researchers at the Technion-Israel Institute of Technology have constructed a first-of-its-kind optic isolator based on resonance of light waves on a rapidly rotating glass sphere.  The micro-resonator is a two-mirror trap for the light, with the mirrors facing each other within several hundred nanometers.  "The realization of such all-optical single-photon devices will be a large step towards deterministic multi-mode entanglement generation as well as high-fidelity photonic quantum gates that are crucial for all-optical quantum information processing," says Tanji-Suzuki.  Researchers at ETH have now used attosecond laser pulses to measure the time evolution of this effect in molecules.  A new benchmark quantum chemical calculation of C2, Si2, and their hydrides reveals a qualitative difference in the topologies of core electron orbitals of organic molecules and their silicon analogues.  A University of Central Florida team has designed a nanostructured optical sensor that for the first time can efficiently detect molecular chirality—a property of molecular spatial twist that defines its biochemical properties.  UCLA scientists and engineers have developed a new process for assembling semiconductor devices. 
Comments: 56 Pages.
[v1] 2018-09-26 09:05:02
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