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Physics news
Security protocol leverages quantum mechanics to shield data from attackers during cloud-based computation
Deep-learning models are being used in many fields, from health care diagnostics to financial forecasting. However, these models are so computationally intensive that they require the use of powerful cloud-based servers.
General Physics
8 hours ago
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Alternating currents for alternative computing with magnets
A new study conducted at the University of Vienna, the Max Planck Institute for Intelligent Systems in Stuttgart, and the Helmholtz Centers in Berlin and Dresden takes an important step in the challenge to miniaturize computing ...
Condensed Matter
9 hours ago
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Balloon mission tests quantum sensor technology
A WashU team launched the Dilution Refrigerator Transition Edge Sensor (DR-TES) mission on Sept. 24 from NASA's scientific balloon facility in Fort Sumner, N.M. The mission is testing a sophisticated cooling system and a ...
General Physics
6 hours ago
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A versatile approach to realize quantum-enhanced metrology with large Fock states
The collecting of highly precise measurements can enable research developments and technological advancements in numerous fields. In physics, high-precision measurements can unveil new phenomena and experimentally validate ...
A detailed microscopic theory: Lifting the veil of topological censorship
Topological protection provides unprecedented robustness of physical phenomena against all kinds of perturbations; but in doing so, it exercises topological censorship by hiding all kinds of interesting and important microscopic ...
Condensed Matter
Sep 25, 2024
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Ultra-high speed camera for molecules: Attosecond spectroscopy captures electron transfer dynamics
In nature, photosynthesis powers plants and bacteria; within solar panels, photovoltaics transform light into electric energy. These processes are driven by electronic motion and imply charge transfer at the molecular level. ...
Optics & Photonics
Sep 25, 2024
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ALICE probes the strong interaction three-body problem with new measurements of hadron–deuteron correlations
In an article recently published in Physical Review X, the ALICE collaboration presented its studies of correlations in the kaon–deuteron and proton–deuteron systems, opening the door to precise studies of the forces ...
General Physics
Sep 25, 2024
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44
Shrinking augmented reality displays into eyeglasses to expand their use
Augmented reality (AR) takes digital images and superimposes them onto real-world views. But AR is more than a new way to play video games; it could transform surgery and self-driving cars. To make the technology easier to ...
Optics & Photonics
Sep 25, 2024
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Intrinsic magnetic structure observed for the first time in a kagome lattice
A joint research group from China recently achieved the first observation of intrinsic magnetic structures in a kagome lattice by using the highly sensitive magnetic force microscopy (MFM) system of the Steady High Magnetic ...
Condensed Matter
Sep 25, 2024
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Team studies the emergence of fluctuating hydrodynamics in chaotic quantum systems
Researchers at Ludwig-Maximilians-Universität, Max-Planck-Institut für Quantenoptik, Munich Center for Quantum Science and Technology (MCQST) and the University of Massachusetts recently carried out a study investigating ...
New insights into hot carrier solar cells: Study explores hot electron tunneling and collection to enhance efficiency
Hot carrier solar cells, a concept introduced several decades ago, have long been seen as a potential breakthrough in solar energy technology. These cells could surpass the Shockley–Queisser efficiency limit, which is a ...
Condensed Matter
Sep 24, 2024
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First observation of ultra-rare particle decay could uncover new physics
Scientists at CERN have discovered an ultra-rare particle decay process, opening a new path to find physics beyond our understanding of how the building blocks of matter interact.
General Physics
Sep 24, 2024
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231
Thermal effects in spintronics systematically assessed for first time
Spintronics—devices that use microscopic magnetism in conjunction with electric current—could lead to computing technology as fast as conventional electronics but much more energy efficient. As such devices are developed ...
Condensed Matter
Sep 24, 2024
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Simulating a critical point in quark gluon fluid
Scientists are conducting experiments in search of evidence of a possible critical point in the Quantum Chromodynamics phase diagram. Quantum chromodynamics describes how the strong force binds quarks and antiquarks together ...
General Physics
Sep 24, 2024
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Discovering new energy levels in atomic hyperfine structures
Since the late 1960s, the Laboratoire Aimé Cotton (LAC) in Orsay, France, has made significant progress in the classification of complex atomic spectra. These advances have been driven both by the development of Fourier ...
General Physics
Sep 24, 2024
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New physics needed? Experts suggest possibility of updating fundamental physics concepts
An unexpected finding about how our universe formed is again raising the question: do we need new physics? The answer could fundamentally change what physics students are taught in classes around the world.
General Physics
Sep 23, 2024
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Physicists use quantum correlations of photon pairs to hide images from standard cameras
What if you could hide an image in plain sight—so well that even the most advanced cameras couldn't detect it? Imagine encoding visual information using the properties of quantum optics, rendering it invisible to normal ...
Controlling light while measuring trapped ion qubits
Quantum information is fragile and often difficult to protect during experiments. Protecting qubits from accidental measurements is essential for controlled quantum operations, especially during state-destroying measurements ...
Optics & Photonics
Sep 23, 2024
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Researchers observe an antiferromagnetic diode effect in even-layered MnBi₂Te₄
Antiferromagnets are materials in which the magnetic moments of neighboring atoms are aligned in an alternating pattern, resulting in no net macroscopic magnetism. These materials have interesting properties that could be ...
New results from the CMS experiment put W boson mass mystery to rest
After an unexpected measurement by the Collider Detector at Fermilab (CDF) experiment in 2022, physicists on the Compact Muon Solenoid experiment (CMS) at the Large Hadron Collider (LHC) announced today a new mass measurement ...
General Physics
Sep 22, 2024
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