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The latest news in physics, materials science, quantum physics, optics and photonics, superconductivity science and technology. Updated Daily.

 
 
1. Room-temperature mid-infrared photodetector promises advances in environmental and medical monitoring20:14[-/+]
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NASA's James Webb Space Telescope (JWST) utilizes mid-infrared spectroscopy to precisely analyze molecular components such as water vapor and sulfur dioxide in exoplanet atmospheres. The key to this analysis, where each molecule exhibits a unique spectral "fingerprint," lies in highly sensitive photodetector technology capable of measuring extremely weak light intensities.

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2. Machine learning approach leads to discovery of high-performance infrared functional materials19:51[-/+]
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Infrared optoelectronic functional materials are essential for applications in lasers, photodetectors, and infrared imaging, forming the technological backbone of modern optoelectronics. Traditionally, the development of new infrared materials has relied heavily on trial-and-error experimental methods. However, these approaches can be inefficient within the extensive chemical landscape, as only a limited number of compounds can achieve a balance of several critical properties simultaneously.

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3. Results of the first search for dark photons using a MADMAX prototype18:50[-/+]
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While many research groups worldwide have been searching for dark matter over the past decades, detecting it has so far proved very challenging, thus very little is known about its possible composition and physical properties. Two promising dark matter candidates (i.e., hypothetical particles that dark matter could be made of) are axions and dark photons.

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4. 'Universe's awkward handshake': Simplifying high-dimensional quantum information processing using photons18:35[-/+]
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A team of researchers has developed a technique that makes high-dimensional quantum information encoded in light more practical and reliable.

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5. Boosting quantum error correction using AI18:09[-/+]
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A way to greatly enhance the efficiency of a method for correcting errors in quantum computers has been realized by theoretical physicists at RIKEN. This advance could help to develop larger, more reliable quantum computers based on light.

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6. Fragmentation experiment reveals surprising fractured isospin symmetry16:24[-/+]
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From the powdered wings of a butterfly to the icy spines of a snowflake, symmetry is a common feature in nature. This often even holds true down to the smallest bits of matter, which helps nuclear physicists ensure their measurements of the inhabitants of the subatomic world are accurate. The trick is knowing when something you're measuring is symmetric and when it is not.

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7. Flavor symmetry of the high-energy world does not work as expectedЧт, 08 мая[-/+]
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In collisions of argon and scandium atomic nuclei, scientists from the international NA61/SHINE experiment have observed a clear anomaly indicative of a violation of one of the most important symmetries of the quark world: the approximate flavor symmetry between up and down quarks.

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8. ALICE detects the conversion of lead into gold at the Large Hadron ColliderЧт, 08 мая[-/+]
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In a paper published in Physical Review C, the ALICE collaboration reports measurements that quantify the transmutation of lead into gold in CERN's Large Hadron Collider (LHC).

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9. Innovative new detector to hunt for neutrinosЧт, 08 мая[-/+]
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Technology is being pushed to its very limits. The upgrades to the Large Hadron Collider (LHC) at CERN slated for the next few years will increase data transfer rates beyond what the current neutrino detector for the FASER experiment can cope with, requiring it to be replaced by a new kind of more powerful detector.

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10. Topological polycrystal: A new approach to configurable, multiband topological photonic circuitryЧт, 08 мая[-/+]
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Molding the flow of light—whether confined to localized regions or propagating in free space—remains crucial for modern integrated photonics. The advancement of the multi-channel, programmable optical waveguide and coupler arrays has enabled us to develop photonic integrated circuits (PICs) as a viable alternative to electronic ones, overcoming limitations in processing speed, bandwidth, and efficiency across the optical-to-microwave spectrum.

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11. Eggs less likely to crack when dropped side-on, research revealsЧт, 08 мая[-/+]
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Eggs are less likely to crack when dropped on their side than when dropped vertically, finds research published in Communications Physics. Controlled trials simulating the "egg drop challenge," a common classroom science experiment, found that the shell of an egg can better withstand an impact when dropped side-on.

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12. Turning non-magnetic materials magnetic with atomically thin filmsЧт, 08 мая[-/+]
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The rules about magnetic order may need to be rewritten. Researchers have discovered that chromium selenide (Cr2Se3)—traditionally non-magnetic in bulk form—transforms into a magnetic material when reduced to atomically thin layers. This finding contradicts previous theoretical predictions, and opens new possibilities for spintronics applications. This could lead to faster, smaller, and more efficient electronic components for smartphones, data storage, and other essential technologies.

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13. Q&A: What will it take to bring fusion energy to the US power grid?Чт, 08 мая[-/+]
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Arianna Gleason is an award-winning scientist at the Department of Energy's SLAC National Accelerator Laboratory who studies matter in its most extreme forms—from roiling magma in the center of our planet to the conditions inside the heart of distant stars. During Fusion Energy Week, Gleason discussed the current state of fusion energy research and how SLAC is helping push the field forward.

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14. Physicists propose a new route by which neutrinos can be producedЧт, 08 мая[-/+]
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Buried deep in the ice in the Antarctic are "eyes" that can see elementary particles called neutrinos, and what they've observed is puzzling scientists: a remarkably strong neutrino signal accompanied by a surprisingly weak gamma-ray emission in the galaxy NGC 1068, also known as the Squid galaxy.

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15. A scalable approach to distill quantum features from higher-dimensional entanglementЧт, 08 мая[-/+]
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The operation of quantum technologies relies on the reliable realization and control of quantum states, particularly entanglement. In the context of quantum physics, entanglement entails a connection between particles, whereby measuring one determines the result of measuring the other even when they are distant from each other, and in a way that defies any intuitive explanation.

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16. Physicists discover an unusual chiral quantum state in a topological materialСр, 07 мая[-/+]
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Chirality—the property of an object that is distinct from its mirror image—has long captivated scientists across biology, chemistry, and physics. The phenomenon is sometimes called "handedness," because it refers to an object possessing a distinct left- or right-handed form. It is a universal quality that is found across various scales of nature, from molecules and amino acids to the famed double-helix of DNA and the spiraling patterns of snail shells.

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17. Tiny thermal sensor shows how molecules can mute heat like musicСр, 07 мая[-/+]
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Imagine you are playing the guitar—each pluck of a string creates a sound wave that vibrates and interacts with other waves. Now shrink that idea down to a small single molecule, and instead of sound waves, picture vibrations that carry heat.

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18. Improved modeling of the Pockels effect may help advance optoelectronic technologyСр, 07 мая[-/+]
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The use of light signals to connect electronic components is a key element of today's data communication technologies, because of the speed and efficiency that only optical devices can guarantee. Photonic integrated circuits, which use photons instead of electrons to encode and transmit information, are found in many computing technologies. Most are currently based on silicon—a good solution because it is already used for electronic circuits, but with a limited bandwidth.

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19. Can quantum computers handle energy's hardest problems?Ср, 07 мая[-/+]
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Every week quantum computing hits a new milestone: more qubits, fewer errors, better readout of results. But will these breakthroughs help solve the advanced computational problems facing energy, like how to model energy storage catalysts or ensure power grid reliability? That is what scientists at the National Renewable Energy Laboratory (NREL) want to know.

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20. Programmable double-network gels: Interspecies interactions dictate structure, resilience and adaptabilityВт, 06 мая[-/+]
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A new study uncovers how fine-tuning the interactions between two distinct network-forming species within a soft gel enables programmable control over its structure and mechanical properties. The findings reveal a powerful framework for engineering next-generation soft materials with customizable behaviors, inspired by the complexity of biological tissues.

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21. Quantum sensing via matter-wave interferometry aboard the ISS could broaden our knowledge of the universeВт, 06 мая[-/+]
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Future space missions could use quantum technologies to help us understand the physical laws that govern the universe, explore the composition of other planets and their moons, gain insights into unexplained cosmological phenomena, or monitor ice sheet thickness and the amount of water in underground aquifers on Earth.

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22. Bridging worlds: Physicists develop novel test of the holographic principleВт, 06 мая[-/+]
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Exactly 100 years ago, famed Austrian physicist Erwin Schrodinger (yes, the cat guy) postulated his eponymous equation that explains how particles in quantum physics behave. A key component of quantum mechanics, Schrodinger's Equation provides a way to calculate the wave function of a system and how it changes dynamically in time.

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23. Physicists use machine learning to find out how layered gases and metals meltВт, 06 мая[-/+]
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In physics, a phase transition is a transformation of a substance from one form to another. They happen everywhere, from beneath the Earth's crust to the cores of distant stars, but the classic example is water transitioning from liquid to gas by boiling.

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24. Rare silver decay offers scientists a new window into the antineutrino's elusive massВт, 06 мая[-/+]
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Neutrinos and antineutrinos are elementary particles with small but unknown mass. High-precision atomic mass measurements at the Accelerator Laboratory of the University of Jyvaskyla, Finland, have revealed that beta decay of the silver-110 isomer has a strong potential to be used for the determination of electron antineutrino mass. Silver-110 isomer refers to a long-lived, excited (metastable) state of the silver-110 isotope, distinct from its ground state. The result is an important step in paving the way for future antineutrino experiments.

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25. Single-photon technology powers 11-mile quantum communications network between two campusesВт, 06 мая[-/+]
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Researchers at the University of Rochester and Rochester Institute of Technology recently connected their campuses with an experimental quantum communications network using two optical fibers. In a new paper published in Optica Quantum, scientists describe the Rochester Quantum Network (RoQNET), which uses single photons to transmit information about 11 miles along fiber-optic lines at room temperature using optical wavelengths.

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26. Hidden network links may predict sudden shifts like seizures and climate tipping pointsВт, 06 мая[-/+]
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The global climate is in an imbalance. Potential "tipping elements" include the Greenland ice sheet, coral reefs, and the Amazon rainforest. Together they form a network that can collapse if just one individual component tips.

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27. Would a musical triangle of any other shape sound as sweet?Вт, 06 мая[-/+]
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The triangle is a small instrument made of a metal rod bent into a triangle shape that is open at one corner. While small, its sound is distinct, with multiple overtones and nonharmonic resonance. But what causes the surprisingly powerful sound?

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28. Manta ray group formations reveal how collective swimming affects propulsion efficiencyВт, 06 мая[-/+]
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From bird flocking to fish schooling, many biological systems exhibit some type of collective motion, often to improve performance and conserve energy. Compared to other swimmers, manta rays are particularly efficient, and their large aspect ratio is useful for creating large lift compared to drag. These properties make their collective motion especially relevant to complex underwater operations.

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29. Benchmarking quantum gates: New protocol paves the way for fault-tolerant computingВт, 06 мая[-/+]
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Researchers have developed a new protocol for benchmarking quantum gates, a critical step toward realizing the full potential of quantum computing and potentially accelerating progress toward fault-tolerant quantum computers.

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30. Scientists reveal hidden interface in superconducting qubit materialВт, 06 мая[-/+]
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Researchers from the U.S. Department of Energy's (DOE) Brookhaven National Laboratory and DOE's Pacific Northwest National Laboratory (PNNL) have uncovered an unexpected interface layer that may be hindering the performance of superconducting qubits, the building blocks of quantum computers.

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