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Physics news
New 3D topological phase of matter exhibits anomalous symmetry at non-zero temperatures
Some phases of matter cannot be described using the conventional framework of symmetry breaking and exhibit a so-called quantum order. One type of quantum order, known as topological order, is characterized by long-range ...
Next-level pixel-particle analogy uses quantum-inspired math to clarify noisy medical images
Medical imaging methods such as ultrasound and MRI are often affected by background noise, which can introduce blurring and obscure fine anatomical details in the images. For clinicians who depend on medical images, background ...
Optics & Photonics
19 hours ago
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12
Massive magnets are on the move: Repurposing electromagnets for research
Plan a route, grab some snacks, and fuel up. Engineers and scientists have been sending massive magnets from U.S. Department of Energy (DOE) national labs on cross-country road trips.
General Physics
16 hours ago
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1
Study reveals mechanisms of rapidly driven plasma magnetic reconnection
A research team from the Yunnan Observatories of the Chinese Academy of Sciences has shed new light on the magnetic reconnection process driven by rapidly expanding plasma, using magnetohydrodynamic (MHD) numerical simulations. ...
Plasma Physics
15 hours ago
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10
Experimental device demonstrates how electron beams reconfigure plasma structure
In a scientific first, South Korean scientists have provided experimental proof of "multi-scale coupling" in plasma, where interactions between phenomena at the microscopic level and macroscopic level influence each other. ...
Quantum dot technique improves multi-photon state generation
A photonics research group co-led by Gregor Weihs of the University of Innsbruck has developed a new technique for generating multi-photon states from quantum dots that overcomes the limitations of conventional approaches. ...
Optics & Photonics
Aug 11, 2025
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134
Powerful form of quantum interference paves the way for phonon-based technologies
Just as overlapping ripples on a pond can amplify or cancel each other out, waves of many kinds—including light, sound and atomic vibrations—can interfere with one another. At the quantum level, this kind of interference ...
Condensed Matter
Aug 11, 2025
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54
Wafer-scale nano-fabrication of multi-layer diffractive optical processors enables unidirectional visible imaging
Researchers at the UCLA Samueli School of Engineering, in collaboration with the Optical Systems Division at Broadcom Inc., report a broadband, polarization-insensitive unidirectional imager that operates in the visible spectrum, ...
Optics & Photonics
Aug 11, 2025
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71
South Africa and China set up a quantum communication link: How we did it and why it's historic
A major breakthrough in quantum technology was achieved in October 2024: the first-ever quantum satellite communication link between China and South Africa. The connection spanned a remarkable 12,900 km: the longest intercontinental ...
Optics & Photonics
Aug 11, 2025
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75
Using geometry and physics to explain feature learning in deep neural networks
Deep neural networks (DNNs), the machine learning algorithms underpinning the functioning of large language models (LLMs) and other artificial intelligence (AI) models, learn to make accurate predictions by analyzing large ...
Quantum 'Starry Night': Physicists capture elusive instability and exotic vortices
Van Gogh's "The Starry Night" has stirred the souls of art lovers for over a century. Now, its swirling skies may also speak to physicists, as it echoes the patterns of quantum turbulence.
Quantum Physics
Aug 8, 2025
1
112
Quantum technologies—'Standards currently offer a greater chance of success than regulation,' says researcher
How can quantum technologies be developed responsibly? In the journal Science, researchers from the Technical University of Munich (TUM), the University of Cambridge, Harvard University and Stanford University argue that ...
Quantum Physics
Aug 8, 2025
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7
The US just got a new X-ray laser toolkit to study nature's mysteries
With a suite of reimagined instruments at SLAC's LCLS facility, researchers see massive improvement in data quality and take up scientific inquiries that were out of reach just one year ago.
General Physics
Aug 8, 2025
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21
Direct visualization of quantum zero-point motion in complex molecule reveals eternal dance of atoms
Most of us find it difficult to grasp the quantum world. According to Heisenberg's uncertainty principle, it's like observing a dance without being able to see simultaneously exactly where someone is dancing and how fast ...
Quantum Physics
Aug 7, 2025
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224
Researchers overcome long-standing bottleneck in single photon detection with twisted 2D materials
The ability to detect single photons (the smallest energy packets constituting electromagnetic radiation) in the infrared range has become a pressing need across numerous fields, from medical imaging and astrophysics to emerging ...
Optics & Photonics
Aug 7, 2025
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25
Scientists discover way to pause ultrafast melting in silicon using precisely timed laser pulses
A team of physicists has discovered a method to temporarily halt the ultrafast melting of silicon using a carefully timed sequence of laser pulses. This finding opens new possibilities for controlling material behavior under ...
General Physics
Aug 7, 2025
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23
Researchers discover universal rules of quantum entanglement across all dimensions
A team of theoretical researchers used thermal effective theory to demonstrate that quantum entanglement follows universal rules across all dimensions. Their study was published online in Physical Review Letters.
General Physics
Aug 6, 2025
1
324
New work achieves a pure quantum state without the need for cooling
Three nano-glass spheres cling to one another. They form a tower-like cluster, similar to when you pile three scoops of ice cream on top of one another—only much smaller. The diameter of the nano cluster is ten times smaller ...
Quantum Physics
Aug 6, 2025
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105
Scientists achieve direct measurement of quantum metric tensor in black phosphorus
Quantum distance refers to a measure of quantum mechanical similarity between two quantum states. A quantum distance of one means that the two quantum states are the same, whereas a quantum distance of zero implies that they ...
Condensed Matter
Aug 6, 2025
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90
New model explains plutonium's peculiar behavior
Normally, materials expand when heated. Higher temperatures cause atoms to vibrate, bounce around and take up a larger volume. However, for one specific phase of plutonium—called delta-plutonium—the opposite inexplicably ...
General Physics
Aug 6, 2025
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105
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