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Quantum Physics news
Scientists achieve nuclear spin coherence in levitating microparticles
A new study in Physical Review Letters demonstrates the levitation of a microparticle using nuclear magnetic resonance (NMR), having potential implications from biology to quantum computing.
Bringing the power of tabletop precision lasers for quantum science to the chip scale
For experiments that require ultra-precise measurements and control over atoms—think two-photon atomic clocks, cold-atom interferometer sensors and quantum gates—lasers are the technology of choice, the more spectrally ...
Optics & Photonics
Dec 12, 2024
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Physicists uncover strong light-matter interactions in quantum spin liquids
Physicists have long theorized the existence of a unique state of matter known as a quantum spin liquid. In this state, magnetic particles do not settle into an orderly pattern, even at absolute zero temperature. Instead, ...
Quantum Physics
Dec 12, 2024
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138
Scientists control quantum states in new energy range
An international team of scientists led by Dr. Lukas Bruder, junior research group leader at the Institute of Physics, University of Freiburg, has succeeded in producing and directly controlling hybrid electron-photon quantum ...
Optics & Photonics
Dec 12, 2024
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Researchers develop spintronics platform for energy-efficient generative AI
Researchers at Tohoku University and the University of California, Santa Barbara, have developed new computing hardware that utilizes a Gaussian probabilistic bit made from a stochastic spintronics device. This innovation ...
Condensed Matter
Dec 11, 2024
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Tuning skyrmion helicity for racetrack memory and quantum computing applications
Three distinct topological degrees of freedom are used to define all topological spin textures based on out-of-plane and in-plane spin configurations: the topological charge, representing the number of times the magnetization ...
Condensed Matter
Dec 11, 2024
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Rethinking the quantum chip: Engineers present new design for superconducting quantum processor
Researchers at the UChicago Pritzker School of Molecular Engineering (UChicago PME) have realized a new design for a superconducting quantum processor, aiming at a potential architecture for the large-scale, durable devices ...
Superconductivity
Dec 10, 2024
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152
Scientists develop cost-effective lasers for extended short-wave infrared applications
Current laser technologies for the extended short-wave infrared (SWIR) spectral range rely on expensive and complex materials, limiting their scalability and affordability. To address these challenges, ICFO researchers have ...
Optics & Photonics
Dec 10, 2024
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Team seeks to set new standards in high-resolution microscopy using a quantum optics trick
About 100 years ago, humanity learned to see with the help of electrons. In 1924, Louis de Broglie posited that—like light particles—electrons have wave properties. In 1927, the U.S. physicists Davisson and Germer provided ...
Optics & Photonics
Dec 9, 2024
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New study reveals quasiparticle loss in extreme quantum materials
A new study by Rice University physicist Qimiao Si unravels the enigmatic behaviors of quantum critical metals—materials that defy conventional physics at low temperatures. Published in Nature Physics Dec. 9, the research ...
Superconductivity
Dec 9, 2024
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Google's new quantum chip hits error correction target
Quantum error correction that suppresses errors below a critical threshold needed for achieving future practical quantum computing applications is demonstrated on the newest generation quantum chips from Google Quantum AI, ...
Quantum Physics
Dec 9, 2024
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Quantum mechanical principle of strong coupling leads to better optical sensors
A team of researchers from the University of Cologne, Hasselt University (Belgium) and the University of St Andrews (Scotland) has succeeded in using the quantum mechanical principle of strong light-matter coupling for an ...
Optics & Photonics
Dec 9, 2024
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53
Observing gain-induced group delay between multiphoton pulses generated in a spontaneous down-conversion source
Spontaneous parametric down-conversion (SPDC) and spontaneous four-wave mixing are powerful nonlinear optical processes that can produce multi-photon beams of light with unique quantum properties. These processes could be ...
Experiment verifies a connection between quantum theory and information theory
Researchers from Linköping University together with colleagues from Poland and Chile have confirmed a theory that proposes a connection between the complementarity principle and entropic uncertainty. Their study is published ...
Optics & Photonics
Dec 6, 2024
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Physicists propose a quantum–optomechanical solution to dark-matter detection
An interdisciplinary collaboration between condensed-matter, quantum-optics and particle physicists has the potential to crack the search for low-mass dark matter. The proposed quantum detector builds on EQUS studies of elementary ...
General Physics
Dec 6, 2024
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130
Slow atomic movements shed new light on unconventional superconductivity
While atoms are known to wiggle very fast, dopants added to a cuprate superconductor can also cause atoms to meander very slowly. An SLAC study shows this process, called atomic relaxation, offers a new way to explore quantum ...
Superconductivity
Dec 5, 2024
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In experiments, superconducting qubit baths give clean simulation of quantum transport
Researchers from Singapore and China have used a superconducting quantum processor to study the phenomenon of quantum transport in unprecedented detail.
Quantum Physics
Dec 5, 2024
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A path towards applying topology in quantum computing
Can insights from topology—the study of the properties of 3D objects that persist when an object is stretched or compressed—be applied in the field of quantum information processing? Juan Lin, Shou-Bang Yang, Fan Wu, ...
Quantum Physics
Dec 4, 2024
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New quantum resistance standard can operate without an external magnetic field
Scientists at the University of Würzburg and the German national metrology institute (PTB) have carried out an experiment that realizes a new kind of quantum standard of resistance. It's based on the Quantum Anomalous Hall ...
Condensed Matter
Dec 4, 2024
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Infrared detectors made from quantum dots—a keener eye for the invisible
What do motion detectors, self-driving cars, chemical analyzers and satellites have in common? They all contain detectors for infrared (IR) light. At their core and besides readout electronics, such detectors usually consist ...
Optics & Photonics
Dec 3, 2024
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113
More news
New laser technique achieves atomic-scale precision on diamond surfaces
New spin quantum battery can be charged without an external field
Researchers use laser beams to pioneer new quantum computing breakthrough
Capturing complex atoms in optical tweezers
Other news
Buried landforms reveal North Sea's ancient glacial past
A new twist: The molecular machines that loop chromosomes also twist DNA
Satellite measurements make major seafloor map improvements
Scientists innovate breeding strategies to create climate-smart crops
Infrared quantum ghost imaging illuminates—but doesn't disturb—living plants
Simple method can recover and recycle quantum dots in microscopic lasers
Scientists develop novel high-fidelity quantum computing gate
New theory reveals the shape of a single photon
How to find a comet before it hits Earth
