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Physics news
Quantum objects' dual nature mapped with new formula for 'wave-ness' and 'particle-ness'
Since its development 100 years ago, quantum mechanics has revolutionized our understanding of nature, revealing a bizarre world in which an object can act like both waves and particles, and behave differently depending on ...
General Physics
1 hour ago
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Can the Large Hadron Collider snap string theory?
In physics, there are two great pillars of thought that don't quite fit together. The Standard Model of particle physics describes all known fundamental particles and three forces: electromagnetism, the strong nuclear force, ...
Quantum Physics
3 hours ago
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Speed test of 'tunneling' electrons challenges alternative interpretation of quantum mechanics
Quantum mechanics describes the unconventional properties of subatomic particles, like their ability to exist in a superposition of multiple states, as popularized by the Schrödinger's cat analogy, and ability to slip through ...
Physicists take step toward a holy grail for electron spins
For decades, ferromagnetic materials have driven technologies like magnetic hard drives, magnetic random access memories and oscillators. But antiferromagnetic materials, if only they could be harnessed, hold out even greater ...
General Physics
15 hours ago
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65
Adding up Feynman diagrams to make predictions about real materials
Caltech scientists have found a fast and efficient way to add up large numbers of Feynman diagrams, the simple drawings physicists use to represent particle interactions. The new method has already enabled the researchers ...
General Physics
18 hours ago
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72
Carefully tuned laser beam protects quantum spins from noise
Researchers have discovered a simple yet powerful way to protect atoms from losing information—a key challenge in developing reliable quantum technologies.
Optics & Photonics
18 hours ago
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1
Tunable laser light: Ring design could be used in telecom, medicine and more
Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) and Technical University of Vienna (TU Wien) have invented a new type of tunable semiconductor laser that combines the best attributes ...
Optics & Photonics
22 hours ago
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49
Real-time simulation makes understanding nonlinear quantum dynamics much easier
Many systems obey simple, linear rules: If you pull twice as hard on a spring, it stretches twice as far. However, when we introduce very large forces or complicated interactions, that linear rule breaks down into a "nonlinear" ...
General Physics
21 hours ago
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Quantum battery model achieves theoretical speed limit, demonstrates genuine advantage
Over the past few years, researchers have developed various quantum technologies, alternatives to classical devices that operate by leveraging the principles of quantum mechanics. These technologies have the potential to ...
Scientists provide clear observation of spin and density modes in a two-component fluid of light
Recent physics studies have found that light can sometimes flow in unexpected ways, behaving like a so-called "superfluid." Superfluids, such as ultracold atomic gases or helium-4 below specific temperatures, are phases of ...
Nuclear mass measurement reveals new proton magic number
In nuclear physics, "magic numbers" identify specific numbers of protons or neutrons that lead to especially stable nuclei. Recognizing these numbers helps scientists better understand the structure of nuclei.
General Physics
Jul 9, 2025
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New particle acceleration strategy uses cold atoms to unlock cosmic mysteries
Scientists have used ultracold atoms to successfully demonstrate a novel method of particle acceleration that could unlock a new understanding of how cosmic rays behave, a new study reveals.
General Physics
Jul 9, 2025
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74
Calculating the electron's magnetic moment: State-dependent values emerge from Dirac equation
Quantum mechanics has a reputation that precedes it. Virtually everyone who has bumped up against the quantum realm, whether in a physics class, in the lab, or in popular science writing, is left thinking something like, ...
Quantum Physics
Jul 9, 2025
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117
Researchers discover more efficient way to route information in quantum computers
Quantum computers have the potential to revolutionize computing by solving complex problems that stump even today's fastest machines. Scientists are exploring whether quantum computers could one day help streamline global ...
Quantum Physics
Jul 9, 2025
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Keeping the photon in the dark: A new method for full control of quantum dots
Excitons—bound pairs of electrons and an electron hole—are quasiparticles that can arise in solids. While so-called "bright" excitons emit light and are therefore accessible, dark excitons are optically inactive. As a ...
Optics & Photonics
Jul 9, 2025
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Alternating current can reduce friction by redistributing electronic density at material interfaces
A research team led by Prof. Tian-Bao Ma from the Department of Mechanical Engineering at Tsinghua University has proposed a novel strategy to reduce friction and wear by inducing dynamic electronic density redistribution ...
General Physics
Jul 9, 2025
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Stoichiometric crystal shows promise in quantum memory
For over two decades, physicists have been working toward implementing quantum light storage—also known as quantum memory—in various matter systems. These techniques allow for the controlled and reversible mapping of ...
Optics & Photonics
Jul 9, 2025
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Defects in single-crystal indium gallium zinc oxide could fix persistent display instability
Many displays found in smartphones and televisions rely on thin-film transistors (TFTs) made from indium gallium zinc oxide (IGZO) to control pixels. IGZO offers high transparency due to its large bandgap (the gap existing ...
Optics & Photonics
Jul 9, 2025
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Low-loss spin waveguide network could pave way for energy-efficient AI hardware
The rapid rise in AI applications has placed increasingly heavy demands on our energy infrastructure. All the more reason to find energy-saving solutions for AI hardware. One promising idea is the use of so-called spin waves ...
Condensed Matter
Jul 9, 2025
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Visualization of atomic-scale magnetism achieved with new imaging method
An international research team led by Forschungszentrum Jülich has succeeded in visualizing magnetism inside solids with unprecedented precision. Using a newly developed method, the scientists were able to image the finest ...
Condensed Matter
Jul 9, 2025
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Light and heavy electrons cooperate in magic-angle superconductors
Quantum enhancement discovery could improve medical technologies
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Turning step-growth into chain-growth with click polymerization
Scientist's cat, again, helps discover new virus
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Illuminated sugars show how microbes eat the ocean's carbon
Cracking the quantum code: Light and glass are set to transform computing
New models improve predictions of snow, rock and ice avalanches
Physicists create tunable system for enhanced quantum sensing
Unveiling hedgehog topological defects in three dimensional glasses
Plants engineered for optimal biofuel production
New species of tiny Cretaceous mammal discovered on the Dorset coast
Fundamental role of the membrane structure of mitochondria identified
Earth's 'oldest' impact crater is much younger than previously thought
