https://phys.org/physics-news/quantum-physics/ en-us The latest news on quantum physics, wave particle duality, quantum theory, quantum mechanics, quantum entanglement, quantum teleportation, and quantum computing. A recent study published in Nature Communications demonstrates precise control over electron spatial arrangement in two directions simultaneously—without any applied voltage—through interface engineering between semimetal bismuth (Bi) thin films and two-dimensional semiconductor MoS₂. https://phys.org/news/2026-06-bidirectional-gate-free-quantum-electronic.html Condensed Matter Sat, 13 Jun 2026 11:00:04 EDT news700150071 A University of Birmingham scientist has built a "mini-universe" that takes a step toward answering one of science's biggest questions: "What is time?" Publishing his findings in Physical Review Research, Professor Giovanni Barontini shows how it is possible to measure the flow of time without using a clock at all. The new findings provide a scientific model in which a version of time emerges from the experiment itself. https://phys.org/news/2026-06-scientist-miniuniverse-clock.html General Physics Fri, 12 Jun 2026 14:20:01 EDT news700487646 Quantum materials, materials with properties that are governed by the laws of quantum mechanics, have proved to be highly promising for the development of ultra-efficient electronic devices, quantum processors, highly precise sensors and various other technologies. Reliably controlling these materials' quantum phases would be highly advantageous, as it would enable engineers to tailor and optimize their properties for specific applications. https://phys.org/news/2026-06-quantum-hall-stripes-2d-materials.html Optics & Photonics Fri, 12 Jun 2026 07:00:03 EDT news700304463 In a quest to build the most accurate quantum sensors in the world, scientists are constantly improving their performance, making them more precise, more stable and more reliable. But eventually, physical constraints will prevent further improvements. https://phys.org/news/2026-06-kind-entanglement-quantum-sensors-tune.html Quantum Physics Thu, 11 Jun 2026 18:30:04 EDT news700418941 An international team whose research was coordinated by Osaka Metropolitan University (OMU) has reported the survival of metallic behavior in the strongly correlated molecular material ytterbium cesium fulleride (Yb₂CsC₆₀). The electrons in the newly synthesized material remained mobile and continued to conduct electricity even at the lowest temperatures studied, despite strong electron interactions that would normally be expected to drive the material into an insulating state. https://phys.org/news/2026-06-newly-fullerene-material-metallic-temperatures.html Condensed Matter Thu, 11 Jun 2026 17:40:01 EDT news700410601 Many natural processes, ranging from magnetism to chemical reactions, entail the movement and rotation of particles at very small scales. In quantum mechanics, particles exhibit both particle-like and wave-like behaviors, and their states can be described mathematically using representations known as wavefunctions. https://phys.org/news/2026-06-electron-gain-ultrafast-torque-flips.html Optics & Photonics Thu, 11 Jun 2026 07:00:01 EDT news700225602 Quantum materials are a class of exotic materials with special properties that are governed by quantum mechanics rather than classical physics. Those properties—like superconductivity, entanglement and unusual forms of magnetism—often originate in the tiny repeating patterns of atoms inside crystals, but through clever engineering, they can be observed and controlled at a more human scale. Quantum materials are helping to power the quickly growing field of quantum computing and could find their way into future generations of energy-efficient electronics. https://phys.org/news/2026-06-ai-reveal-large-scale-quantum.html Condensed Matter Wed, 10 Jun 2026 17:00:06 EDT news700320241 Quantum computers—systems that process information and perform computations by leveraging the principles of quantum mechanics—could solve some tasks faster and more effectively than classical computers. While some studies have demonstrated the advantages of these computers for specific tasks, ensuring their reliable operation in real-world settings has proved challenging. https://phys.org/news/2026-06-majorana-modes-disorder-atomic-chains.html Condensed Matter Wed, 10 Jun 2026 07:00:03 EDT news700136437 Physicists at University College Cork have developed a new approach in the search for a quantum spin liquid, a long-sought state of quantum matter resembling a magnetic liquid whose quantum properties mean it never freezes. The work is a key step in the search for quantum silicon, a mineral that could be used to create quantum computers, just as silicon is used in traditional computers. The resulting paper appears in Nature Physics. https://phys.org/news/2026-06-quantum-witness-technique-reveals-spinons.html Condensed Matter Wed, 10 Jun 2026 05:00:11 EDT news700237801 Researchers at University College Dublin and international collaborators have just published a detailed and accessible guide that aims to translate theoretical ideas into practical devices for quantum enhanced sensing technologies. https://phys.org/news/2026-06-physicists-harness-potential-quantum-phase.html Quantum Physics Tue, 09 Jun 2026 21:20:03 EDT news700239721 An international team of researchers has reported a major advance in understanding quantum dynamics in semiconductor materials. They directly observed how excitons and phonons evolve together in perovskite nanocrystals, revealing a fully coherent quantum dance between light-induced electronic excitations and crystal lattice vibrations. They published their findings in Nature Communications. https://phys.org/news/2026-06-physicists-synchronized-quantum-excitons-phonons.html Condensed Matter Tue, 09 Jun 2026 19:40:01 EDT news700242962 Researchers at Kanazawa University, in collaboration with Diamond and Carbon Applications (Germany), have developed a buried-growth process for nitrogen–vacancy (NV) centers in diamond using microwave plasma chemical vapor deposition (MPCVD). By employing nitrogen-radical selective etching, which simultaneously enhances metal-mask durability through nitridation, the team enabled a continuous etching–growth sequence within a single MPCVD process. https://phys.org/news/2026-06-growth-enables-2d-arrays-position.html Plasma Physics Tue, 09 Jun 2026 14:40:09 EDT news700228921 Quantum memories, systems that store and retrieve information leveraging quantum mechanical effects, can outperform classical storage systems on some existing tasks. Yet these promising memories could also complete operations that are very difficult or impossible for classical systems, including the storage and retrieval of so-called isometry channels. https://phys.org/news/2026-06-quantum-memory-surpasses-classical-limits.html Quantum Physics Tue, 09 Jun 2026 07:40:02 EDT news700135120 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 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 Assistant Professor Haocun Yu is something of a scientific diplomat. In a recent Physical Review Letters publication, she and her colleagues show how a tabletop experiment can bring together two bedrock physics theories that have never been fully reconciled. https://phys.org/news/2026-06-tabletop-fundamental-physics.html General Physics Mon, 08 Jun 2026 14:20:01 EDT news700146503 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 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 Nuclear physicists used a little magic in their latest experiment conducted at the U.S. Department of Energy's Thomas Jefferson National Accelerator Facility, and the result has revealed surprising new information about the behavior of protons and neutrons inside the atom's nucleus. Specifically, the research revealed another requirement that determines how protons and neutrons pair up. https://phys.org/news/2026-06-quantum-shell-reveals-proton-neutron.html General Physics Thu, 04 Jun 2026 10:20:09 EDT news699781262 Quantum materials, materials with properties that are governed by the laws of quantum mechanics describing many-body interactions, have proved promising for the development of various advanced technologies. Many of these materials undergo so-called phase transitions, switching between different physical states that alter how electrons flow through them. https://phys.org/news/2026-06-photoexcitation-flips-2d-moir-devices.html Optics & Photonics Thu, 04 Jun 2026 07:00:04 EDT news699701022 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 By definition, elementary particles can't be broken into smaller pieces. But in a new theoretical study published in Physical Review Letters, Johannes Skaar and colleagues have revealed what would happen if you tried anyway for a single photon. The answer is deeply strange: attempting to cut a photon in two wouldn't produce two smaller photons, but instead conjure an infinite number of them out of thin air. https://phys.org/news/2026-06-photon-infinite-swarm-particles.html Optics & Photonics Tue, 02 Jun 2026 10:20:08 EDT news699613528 Quantum entanglement is a state in which particles are entwined with each other. In this entwined state, the properties of one particle influence the other, even when they aren't physically close to each other. This phenomenon has often been observed in small quantum systems with only a few particles in them, where researchers can use it to store and process quantum information. Rice University professor Qimiao Si is interested in understanding and applying quantum entanglement to macroscopic systems with vast numbers of particles. https://phys.org/news/2026-06-entangle-easily-quantum-critical.html Optics & Photonics Mon, 01 Jun 2026 16:00:04 EDT news699547479 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 Nonlinear interactions between light and matter are at the heart of some of the most powerful tools in modern optics, but pushing these processes to their limits has long been hampered by a fundamental constraint: the stronger you make the laser, the more likely it is to destroy whatever it illuminates. https://phys.org/news/2026-05-quantum-boost-ultrafast-laser.html Optics & Photonics Sat, 30 May 2026 13:00:02 EDT news699017292