https://phys.org/ en-us Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Researchers from the Johns Hopkins Applied Physics Laboratory (APL) in Laurel, Maryland, and Johns Hopkins University in Baltimore have developed a practical, comprehensive noise-modeling framework for a popular class of superconducting quantum processors. Their work, published in the journal PRX Quantum, offers a sevenfold improvement in predictive accuracy over existing approaches. https://phys.org/news/2026-06-cloud-quantum-noise-superconducting-qubit.html Superconductivity Mon, 08 Jun 2026 19:00:02 EDT news700147742 Researchers from the Department of Electrical and Computer Engineering in the Faculty of Engineering at the University of Hong Kong (HKU) and the Centre for Advanced Semiconductors and Integrated Circuits (CASIC) have achieved a major breakthrough in cryogenic electronics. The team has developed a programmable neuromorphic hardware platform that operates near absolute zero, providing a potential solution for scaling up quantum computers and enabling deep-space exploration. The discovery was published in Nature Communications in an article titled "Cryogenic neuromorphic circuits using gate-controlled negative differential resistance in silicon carbide." https://phys.org/news/2026-06-cryogenic-silicon-carbide-hardware-quantum.html Condensed Matter Mon, 08 Jun 2026 17:10:06 EDT news700156081 Two-dimensional (2D) materials, which are significantly thinner than a single sheet of paper, have long drawn attention for their exceptional performance. However, they have faced a critical limitation: Their performance degrades significantly when multiple layers are stacked. https://phys.org/news/2026-06-stacking-2d-conductor-layer-bulk.html Nanophysics Mon, 08 Jun 2026 15:50:02 EDT news700151762 Florida State University physicists are part of a team that has discovered unusual superconducting states in parts of graphene, with the potential to drive unexpected quantum technologies. https://phys.org/news/2026-06-uncovers-electronic-properties-quantum-material.html Superconductivity Mon, 08 Jun 2026 15:00:02 EDT news700148352 Quantum mechanics, unlike classical physics, allows objects to exist in more than one state at the same time. This idea is often illustrated by Schrödinger's cat, imagined as being both alive and dead until it is observed. In the laboratory, physicists can create less dramatic but very real versions of this effect by placing atoms, light or motion into two distinct quantum states at once. Creating and controlling these superpositions is essential for applications ranging from quantum computing to precision timekeeping. https://phys.org/news/2026-06-physicists-family-schrdinger-cat-states.html General Physics Mon, 08 Jun 2026 14:40:06 EDT news700140301 Building useful quantum technologies—from sensors to computers—requires generating highly complex entangled states, in which the properties of particles are deeply intertwined. Producing such states has traditionally required complex tools and carefully engineered setups with many parts. https://phys.org/news/2026-06-craft-simple-recipe-highly-entangled.html Quantum Physics Mon, 08 Jun 2026 12:40:01 EDT news700134992 Superconductors, materials that conduct electricity with zero electrical resistance at specific temperature ranges, have proved very promising for the development of quantum computers and other cutting-edge technologies. While most of these materials become superconducting at very low temperatures, others exhibit superconductivity at higher temperatures. https://phys.org/news/2026-06-nickelate-superconductors-common-electronic-fingerprint.html Condensed Matter Mon, 08 Jun 2026 06:20:01 EDT news699873254 A material may appear flawless on the surface yet fail to function properly. The cause lies in structural defects hidden within two-dimensional thin films, which are considered key materials for next-generation semiconductor devices. Recently, a Korean research team developed an optical analysis method that can identify these invisible defects using light. https://phys.org/news/2026-06-flawless-flipped-hidden-defects-2d.html Nanomaterials Sun, 07 Jun 2026 15:00:01 EDT news699875372 For millions of people, chatbots powered by large language models (LLMs) are now a key feature of everyday life. These AI systems are growing at a rapid pace, but scaling them up is becoming increasingly costly and resource-intensive. https://phys.org/news/2026-06-quantum-circuits-ai-memory-limitations.html General Physics Sun, 07 Jun 2026 09:00:01 EDT news699613558 Quantum computers, systems that process information leveraging quantum mechanical effects, have the potential of outperforming classical computers on some tasks. Despite their potential, the use of these systems remains very limited, due to their high cost and other challenges that have so far prevented their large-scale fabrication. https://phys.org/news/2026-06-surrogates-quantum-overhead.html Quantum Physics Sat, 06 Jun 2026 13:20:01 EDT news699875533 A spin qubit, in which quantum information is encoded in the spin state of an electron, is one of the most promising platforms for quantum computing. Spin qubits exhibit long coherence times and are compatible with advanced semiconductor manufacturing technologies. The leading implementation of spin qubits involves confined electrons inside quantum dots, a nanoscale semiconductor architecture that behaves like a controllable artificial atom. Recent advances have enabled high-fidelity operation of single- and two-qubit gates, exceeding the threshold required for certain surface code quantum error correction techniques. https://phys.org/news/2026-06-scientists-noise-qubit-quantum-processors.html Quantum Physics Sat, 06 Jun 2026 09:00:03 EDT news699874934 Metal cluster molecules are discrete compounds containing multiple metal atoms held together by metal–metal and metal–ligand bonding. They serve as excellent candidates for catalysts, biosensors, and even for drug development. Developing atomic-level molecular editing methods for such metal clusters remains an important challenge and represents a promising strategy for expanding their structural and functional diversity. Such approaches can enable structure-specific properties, high near-infrared (NIR) photoluminescence quantum yields, and unique reactivities and electronic structures. https://phys.org/news/2026-06-asymmetric-alloying-generation-luminescent-materials.html Analytical Chemistry Fri, 05 Jun 2026 05:00:04 EDT news699791041 Designing surfaces that precisely control how light behaves at the nanoscale is tricky. Optical Fourier surfaces, which are nanostructured gratings that redistribute light into specific directions and wavelengths, hold enormous potential for compact spectrometers, augmented-reality displays, and advanced sensors. However, their standard design process relies on computer simulations that assume idealized conditions such as single-angle illumination and the absence of fabrication imperfections—a far cry from reality. https://phys.org/news/2026-06-ai-optical-surfaces-real-world.html Nanophysics Thu, 04 Jun 2026 15:20:05 EDT news699794762 Researchers from the National University of Singapore (NUS) have developed a computation-guided strategy to produce urea more efficiently from carbon dioxide and nitrate. By combining large language models, density functional theory calculations and experiments, the approach identified a cadmium-modified iron oxide catalyst that maintains high urea selectivity at practical current densities. https://phys.org/news/2026-06-ai-catalyst-fertilizer-industrially-relevant.html Materials Science Thu, 04 Jun 2026 14:40:05 EDT news699792661 Quantum computing, once only a theoretical possibility, promises to deliver faster, more energy-efficient computers—but only if scientists can build and scale the hardware needed to run the machines. New research from Virginia Commonwealth University brings scientists one small step closer to quantum computing at a practical scale, which could help dramatically reduce energy usage and computing times in some industries. https://phys.org/news/2026-06-nanomagnets-diamond-qubits-scalable-quantum.html Condensed Matter Wed, 03 Jun 2026 16:20:04 EDT news699717662 UNSW Sydney engineers have riffed on the famous Schrödinger's cat analogy to demonstrate a more efficient way to eliminate errors in quantum computing. https://phys.org/news/2026-06-dont-cat-smarter-quantum.html Quantum Physics Wed, 03 Jun 2026 14:40:07 EDT news699709561 For every action, there is an equal and opposite reaction. What goes up must come down. Physical laws like these govern all of the natural world—except for the tiny internal components of today's microprocessors, which operate according to the unique and complicated rules of quantum physics. https://phys.org/news/2026-06-chip-scale-acoustic-atom-imitate.html Condensed Matter Wed, 03 Jun 2026 13:00:04 EDT news699704401 Conical intersections are crucial molecular switching points in light-driven reactions, but accurately predicting them usually requires computations. A researcher from Shibaura Institute of Technology has developed a new low-cost quantum chemistry method that can simultaneously describe ground and excited molecular states while efficiently locating these elusive structures. The approach reproduces benchmark geometries with strong accuracy and enables practical simulations of photochemical processes, making it promising for applications in photocatalysis, solar cells, and biological light-response studies. https://phys.org/news/2026-06-method-uncovers-conical-intersections-driven.html Analytical Chemistry Mon, 01 Jun 2026 18:40:01 EDT news699550441 The planar Hall effect is a tabletop diagnostic tool for special quantum properties useful in basic research and technological applications. Or so it was thought, because careful calculation by Kobe University researchers clarifies the conditions under which this effect may also appear in classical materials. This makes the diagnostic more meaningful and enables more purposeful design. https://phys.org/news/2026-05-math-discriminates-exotic-classical-materials.html Condensed Matter Mon, 01 Jun 2026 11:00:07 EDT news699263693 For nearly a century, there were two known kinds of magnets. Ferromagnets are the classic magnets that attract metal and keep pictures stuck to the refrigerator. Antiferromagnets hide their magnetism at the atomic scale but are increasingly prized for their technological potential. A third category discovered within the last decade may combine the best qualities of both. Dubbed altermagnets, they could someday help create faster, more energy-efficient electronics. https://phys.org/news/2026-05-diamond-quantum-sensor-reveal-elusive.html Condensed Matter Fri, 29 May 2026 15:20:02 EDT news699280720 Topological phases are unusual states of matter that give rise to properties protected by a material's overall structure (i.e., "topology"), as opposed to microscopic details. These phases are of great interest for the development of quantum technologies, as they can yield desirable electronic properties that are robust against defects and disturbances. https://phys.org/news/2026-05-topological-states-emerge-quantum-hall.html Superconductivity Fri, 29 May 2026 07:00:01 EDT news698933871 A research group led by Assistant Professor Takafumi Tomita and Professor Kenji Ohmori at the Institute for Molecular Science, National Institutes of Natural Sciences, has developed a new microscopy technique called the Atom Camera, which uses a single ultracold atom at near absolute zero temperature trapped in an optical tweezer as a camera to visualize the intensity and polarization distributions of light at the nanometer (one-millionth of a millimeter) scale. https://phys.org/news/2026-05-atom-camera-laser-nanoscale-ultracold.html Optics & Photonics Fri, 29 May 2026 05:00:02 EDT news699205861 Physicists from Emory University have led work to develop a microscopic, nonlinear light source that can be switched on, off or tuned to a particular intensity by an electrical "knob." The paper is published in the journal Optica, and could aid in the design of smaller, more flexible technologies for communications, sensing and quantum computing. https://phys.org/news/2026-05-electrical-knob-tune-intensity-nanoscale.html Optics & Photonics Thu, 28 May 2026 17:50:01 EDT news699207961 Using finely tuned nanoscale building blocks, researchers from Brown University and the University of Michigan College of Engineering have stabilized a fleeting structural phase of matter that had been predicted theoretically but never before stabilized in a physical material. https://phys.org/news/2026-05-silver-nanoparticles-enable-theorized-previously.html Nanophysics Thu, 28 May 2026 17:30:01 EDT news699201122 Scientists at the University of California, Riverside are making breakthroughs in understanding how quantum wave functions move across ultra-thin materials—research that could eventually improve solar energy technologies and help lay the groundwork for new forms of quantum computing. https://phys.org/news/2026-05-quantum-vibronics-future-energy-technologies.html Condensed Matter Thu, 28 May 2026 15:00:02 EDT news699191461 Honeycombs are famous for their elegant design, but now they may have found a new application: quantum computing. To collect knowledge from subatomic particles, quantum computers require carefully designed materials capable of performing necessary, complex functions. However, the metals used, such as ruthenium and iridium, are often rare and expensive, limiting the potential to build new technology. https://phys.org/news/2026-05-cobalt-honeycombs-path-quantum.html Condensed Matter Thu, 28 May 2026 11:20:05 EDT news699179222 Ultra-fast data transfer and superconductivity: Quantum materials offer significant technological prospects—if we can understand them at the atomic scale. A team from the University of Geneva (UNIGE), in collaboration with the University of Salerno, the Institute of Materials Science of Barcelona, and the National Research Council of Italy, has succeeded in observing the "quantum metric" in a topological insulator—a unique geometric property of these materials, which conduct electricity only on their surface. https://phys.org/news/2026-05-strange-quantum-property-tomorrow-insulator.html Condensed Matter Wed, 27 May 2026 12:20:44 EDT news699096241 A growing number of quantum engineers worldwide have been trying to realize large-scale quantum networks, which consist of several connected quantum computers or devices that share information with each other. The successful realization of these networks could potentially pave the way for the realization of new high-speed and secure communication systems, or even of a quantum version of the internet. https://phys.org/news/2026-05-quantum-teleportation-microwave-states-temperatures.html Superconductivity Wed, 27 May 2026 10:00:01 EDT news698939510 Researchers have created a new theoretical framework that shows how memory-preserving "memtransistors" could overcome the intrinsic limits in efficiency faced by conventional semiconductor transistors, imposed by the laws of thermodynamics. https://phys.org/news/2026-05-memory-transistors-bypass-boltzmann-limit.html General Physics Wed, 27 May 2026 07:00:03 EDT news698927164 Researchers at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) have developed a new procedure, enabling them to speed up elaborate computer simulations that analyze matter under extreme conditions. In particular, this work improves the evaluation of experiments at large-scale research facilities like the European XFEL—and should facilitate substantial progress, among others, in fusion research and laboratory astrophysics. https://phys.org/news/2026-05-imaginary-technique-ray-simulations-extreme.html Condensed Matter Tue, 26 May 2026 10:20:02 EDT news699003482