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Physics news
Scientists observe 'negative time' in quantum experiments
Scientists have long known that light can sometimes appear to exit a material before entering it—an effect dismissed as an illusion caused by how waves are distorted by matter.
General Physics
4 hours ago
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Researchers take 'significant leap forward' with quantum simulation of molecular electron transfer
Researchers at Rice University have made a meaningful advance in the simulation of molecular electron transfer—a fundamental process underpinning countless physical, chemical and biological processes. The study, published ...
General Physics
19 hours ago
0
104
New electron microscopy technique reveals complex spin structures at femtosecond timescales
Plasmons are collective oscillations of electrons in a solid and are important for a wide range of applications, such as sensing, catalysis, and light harvesting. Plasmonic waves that travel along the surface of a metal, ...
Condensed Matter
22 hours ago
0
119
Team presents first demonstration of quantum teleportation over busy internet cables
Northwestern University engineers are the first to successfully demonstrate quantum teleportation over a fiberoptic cable already carrying internet traffic.
Optics & Photonics
Dec 20, 2024
2
117
Compact on-chip polarimeter measures light polarization with high accuracy
Reliably measuring the polarization state of light is crucial for various technological applications, ranging from optical communication to biomedical imaging. Yet conventional polarimeters are made of bulky components, which ...
Active particles reorganize 3D gels into denser porous structures, study shows
Colloidal gels are complex systems made up of microscopic particles dispersed in a liquid, ultimately producing a semi-solid network. These materials have unique and advantageous properties that can be tuned using external ...
Dual-comb method achieves first precise absolute distance measurement over 100 km
A team of physicists and engineers at China's Hefei National Laboratory has succeeded in conducting the first instance of precise absolute distance measurement over a path exceeding 100 km. The group has written a paper describing ...
First results from 2021 rocket launch shed light on aurora's birth
Results from a 2021 experiment led by a University of Alaska Fairbanks scientist have begun to reveal the particle-level processes that create the type of auroras that dance rapidly across the sky.
Plasma Physics
Dec 20, 2024
0
15
Quantum walk computing unlocks new potential in quantum science and technology
Quantum walks are a powerful theoretical model using quantum effects such as superposition, interference and entanglement to achieve computing power beyond classical methods.
Quantum Physics
Dec 20, 2024
0
38
Optical spring enables programmable defect mode in new mechanical crystal
Mechanical crystals, also known as phononic crystals, are materials that can control the propagation of vibrations or sound waves, just like photonic crystals control the flow of light. The introduction of defects in these ...
Scientists achieve collective quantum behavior in macroscopic oscillators
Quantum technologies are radically transforming our understanding of the universe. One emerging technology is macroscopic mechanical oscillators, devices that are vital in quartz watches, mobile phones, and lasers used in ...
Quantum Physics
Dec 19, 2024
0
128
Colliding top quarks reveal hidden quantum 'magic'
Queen Mary University of London physicist Professor Chris White, along with his twin brother Professor Martin White from the University of Adelaide, have discovered a surprising connection between the Large Hadron Collider ...
Quantum Physics
Dec 19, 2024
0
64
Most precise measurement of electrically neutral beauty meson lifetime achieved
The ATLAS collaboration at the Large Hadron Collider (LHC) has released a new high-precision measurement of the lifetime of the electrically neutral beauty (B0) meson—a hadron composed of a bottom antiquark and a down quark.
General Physics
Dec 19, 2024
0
84
Anomalous magnetic moment of the muon: New calculation confirms Standard Model of particle physics
The magnetic moment of the muon is an important precision parameter for putting the Standard Model of particle physics to the test. After years of work, the research group led by Professor Hartmut Wittig of the PRISMA+ Cluster ...
General Physics
Dec 19, 2024
0
80
Plasma heating efficiency in fusion devices boosted by metal screens
Heating plasma to the ultra-high temperatures needed for fusion reactions requires more than turning the dial on a thermostat. Scientists consider multiple methods, one of which involves injecting electromagnetic waves into ...
Plasma Physics
Dec 19, 2024
0
59
Purple diamond maser could one day amplify signals from deep space
UNSW engineers have developed and built a special maser system that boosts microwave signals—such as those from deep space—but does not need to be super-cooled.
Optics & Photonics
Dec 19, 2024
0
75
Faster way to calculate electron structure makes it easier to discover new materials
Figuring out certain aspects of a material's electron structure can take a lot out of a computer—up to a million CPU hours, in fact. A team of Yale researchers, though, are using a type of artificial intelligence to make ...
Condensed Matter
Dec 19, 2024
0
42
In-plane magnetic fields reveal new Hall effect behaviors in advanced materials
In-plane magnetic fields are responsible for inducing anomalous Hall effect in EuCd2Sb2 films, report researchers from the Institute of Science Tokyo. By studying how these fields change electronic structures, the team discovered ...
Condensed Matter
Dec 19, 2024
0
72
A new way of thinking about skyrmion motion could lead to more robust electronics
The future storage and processing of data stand to benefit greatly from tiny magnetic whirlpools known as skyrmions, which are robust against noise and may be useful in lower power consumption devices. The development of ...
Condensed Matter
Dec 19, 2024
0
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When solar probes align: Data confirms how sun's magnetic field accelerates solar wind
When two probes orbiting the sun aligned with one another, researchers harnessed the opportunity to track the sun's magnetic field as it traveled into the solar system. They found that the sharply oscillating magnetic field ...
General Physics
Dec 19, 2024
0
1
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Wireless antennas harness light to decode cellular communication signals
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How do you make a kilogram? Gravity can provide new answers
Physics and emote design: Quantifying clarity in digital images
Infrared quantum ghost imaging illuminates—but doesn't disturb—living plants
Scientists steer the development of stem cells to regenerate and repair organs
