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In materials science labs around the world, researchers regularly reproduce a peculiar experiment. Under a microscope, they use tiny robotic manipulators to lay two sheets of carbon, each a single atom thick, against one another. They then rotate the top sheet against the bottom. The two identical lattices of atoms, when twisted relative to one […] Researchers from the Hefei Institutes of Physical Science (HFIPS) of the Chinese Academy of Sciences (CAS) have developed a unified framework for establishing symmetry criteria and classifying unconventional magnets. Go to Source Clogging is a phenomenon in which moving particles get stuck, slowing or blocking the flow, but how this transition occurs has remained experimentally unproven. Researchers from Science Tokyo studied superconducting vortices to demonstrate that clogging is a nonequilibrium phase transition. Using a two-step measurement protocol, they distinguished clogging from conventional pinning and revealed that both […] In a study published in Optics Communications, a research group led by Yu Tao from the Changchun Institute of Optics, Fine Mechanics and Physics (CIOMP) of the Chinese Academy of Sciences proposed a new analytical phase readout algorithm for deep frequency modulation interferometry (DFMI). Go to Source For more than 50 years, engineers have described light in optical fiber using a convenient shortcut, one that works so well it is rarely questioned. Engineers at the University of the Witwatersrand (Wits University) in Johannesburg, South Africa, have now shown that this shortcut hides a small but real effect. A magnet placed beside a […] A new study published in Nature Materials reports that researchers have developed an aluminum gallium nitride device that combines light detection, memory and basic processing by controlling charge at polarization interfaces. The device can detect light at the nanowatt-per-square-centimeter level and operate stably at temperatures up to 300°C. Go to Source A shoebox-sized color detection device could enable precise measurements at record resolution, according to new research led by Adelaide University. An international team exploited an integrating sphere—a highly reflective hollow cavity that causes light to bounce around inside many times before exiting—to demonstrate a device that can measure the color (wavelength) composition of light with […] Researchers at the U.S. Department of Energy’s (DOE) Ames National Laboratory have discovered a way to control the handedness of magnons, tiny magnetic waves that can carry information through materials. By changing the material’s magnetic state with an external magnetic field, they were able to switch magnon behavior, a finding with potential applications in quantum […] An international collaboration demonstrates that classical nonlinear dynamics can drive single- and two-photon states to thermalize, opening new avenues for simulating complex quantum many-body systems within accessible optical architectures. Go to Source The possibility of controlling “forbidden” excitations of vibrations in molecules could form the basis of extremely accurate clocks, quantum bits and precise tests of the fundamental laws of physics. Researchers at the University of Basel have now identified and controlled such “forbidden” transitions in single isolated nitrogen molecules without destroying them. Go to Source […] In an international collaboration, researchers have developed a method that produces significantly higher-quality three-dimensional X-ray images than previously possible. The technique is used for 3D imaging with so-called X-ray nanotomography. The researchers’ approach draws on expertise in mathematics and computational science. Go to Source An international collaboration of physicists has presented its first results in its search for hypothetical particles that could help to explain the vast disparity between the strength of gravity and the three fundamental forces described by the Standard Model. Following three years of data collection at the Large Hadron Collider (LHC)’s FASER experiment, the FASER […] Researchers at the Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) and their collaborators used lasers and neutrons to observe a long-lived quantum state in a magnetic material, opening a new way to study materials systems driven far from their equilibrium. Manipulation of quantum magnets is important for advancing quantum information science and could […] Magnons are quasiparticles that represent quantized spin waves in magnetic materials. They can carry information without moving electric charge, making them promising for future information technologies that could use less energy than conventional electronics. The frequency, stability and propagation distance of these waves are all important for their potential applications. Go to Source […] Physicists at the ALPS II collaboration have reported the first results from the Any-Light-Particle-Search (ALPS) II experiment: the most sensitive instrument of its kind in the search for hypothetical “axions.” Headed by Axel Lindner at the DESY Research Centre in Germany, the collaboration found no evidence for axions in this initial campaign, but its results […] |
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