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. An AI model informed by calculations from a quantum computer can better predict the behavior of a complex physical system over the long term than current best models that use only conventional computers, according to a new study led by UCL (University College London) researchers. The findings, published in the journal Science Advances, could improve models predicting how liquids and gases move and interact (fluid dynamics), used in areas ranging from climate science to transport, medicine and energy generation. https://phys.org/news/2026-04-quantum-ai-term-turbulence-memory.html Soft Matter Fri, 17 Apr 2026 14:00:07 EDT news695574962 NPL, the UK's National Metrology Institute (NMI), plays a central role in providing accurate and trusted measurement across emerging technology. Within its Institute for Quantum Standards and Technology (IQST), the team is developing methods to characterize and calibrate quantum devices, particularly quantum computing. https://phys.org/news/2026-04-automated-ai-flags-qubit-drift.html General Physics Thu, 16 Apr 2026 18:00:03 EDT news695550966 The spin-off company ParityQC has implemented the largest quantum Fourier transform ever reported using an IBM quantum computer, thereby setting a new milestone on the path toward the industrial application of quantum computers. The quantum Fourier transform is a cornerstone algorithm with applications in cryptography, financial modeling, and materials science. https://phys.org/news/2026-04-quantum-fourier-qubits-shattering-previous.html Quantum Physics Thu, 16 Apr 2026 12:20:08 EDT news695556421 Quantum technologies like quantum computers are built from quantum materials. These types of materials exhibit quantum properties when exposed to the right conditions. Curiously, engineers can also trigger quantum behavior by manipulating a material's structure; for example, by stacking layers of graphene on top of each other and twisting them to create a moiré pattern, which suddenly turns them into a superconductor. https://phys.org/news/2026-04-quantum-algorithm-million-site-quasicrystal.html Quantum Physics Wed, 15 Apr 2026 19:50:01 EDT news695491622 Researchers from the Department of Energy's Quantum Science Center (QSC) headquartered at Oak Ridge National Laboratory (ORNL) have achieved a significant milestone by demonstrating the first digital quantum simulations of how spin currents change over time in a 1-D model of a quantum spin material. The results, now published in Physical Review Letters, establish a new, programmable way to use quantum computers to study the transport of spin—a fundamental quantum variable—in materials. https://phys.org/news/2026-04-quantum-simulations-reveal-1d-materials.html Condensed Matter Wed, 15 Apr 2026 17:20:01 EDT news695486850 A special class of sensors leverages quantum properties to measure tiny signals at levels that would be impossible using classical sensors alone. Such quantum sensors are currently being used to study the inner workings of cells and the outer depths of our universe. https://phys.org/news/2026-04-multitasking-quantum-sensors-properties.html Quantum Physics Wed, 15 Apr 2026 08:40:01 EDT news695461141 A major obstacle in the development of powerful quantum computers is the growing number of cables required to control a computer as the number of qubits increases. Researchers at Chalmers University of Technology in Sweden have now demonstrated that several qubits can share the same cable—without significantly increasing computation time. Their study is the most comprehensive of its kind and could become an important piece of the puzzle in developing quantum computers. These computers have the potential to revolutionize such areas as drug development and logistics. https://phys.org/news/2026-04-smart-cable-quantum-big-boost.html Quantum Physics Tue, 14 Apr 2026 17:00:03 EDT news695390881 Beginning in the 1950s, silicon transformed the electronics industry by enabling smaller and faster devices that could be reliably manufactured at scale. More than six decades later, silicon-based semiconductors remain at the heart of many modern technologies, including so-called "classical" computers. https://phys.org/news/2026-04-silicon-compatible-path-scalable-quantum.html Condensed Matter Tue, 14 Apr 2026 16:30:01 EDT news695401681 For the last 80 years, the theory of quantum electrodynamics (QED), which describes all electromagnetic interactions, has been a cornerstone of the standard model, withstanding the scrutiny of countless experiments and agreeing with observations down to the smallest known precisions. Yet, some high-intensity scales of QED remain unexplored, prompting some to wonder if quantum computers could deal with these scales' inherent complexity. https://phys.org/news/2026-04-quantum-simulations-tackle-photon-polarization.html Optics & Photonics Tue, 14 Apr 2026 12:20:09 EDT news695384043 Quantum computers stand to revolutionize research by helping investigators solve certain problems exponentially faster than with conventional computers. Current quantum computers encounter a challenge where they lose stored information in a process known as quantum scrambling. However, scientists at the University of California, Irvine have discovered a method to enable computers to preserve the data that would otherwise be lost during the scrambling process. The research is published in the journal Physical Review Letters. https://phys.org/news/2026-04-physicists-reverse-quantum-scrambling.html Quantum Physics Mon, 13 Apr 2026 17:50:01 EDT news695317141 A Majorana fermion is a particle that would be identical to its antiparticle. Such an object has not yet been found. However, certain solid materials exhibit analogous behavior as if Majorana fermions were present through collective excitations of the system called quasiparticles. https://phys.org/news/2026-04-poor-majoranas-quantum-probes.html Condensed Matter Sat, 11 Apr 2026 08:00:04 EDT news695029562 Researchers at ETH Zurich have realized particularly stable quantum logical operations with qubits made of neutral atoms. Since these operations, called quantum gates, are based on geometric phases, they are extremely robust against experimental noise and can be used in quantum computers in the future. https://phys.org/news/2026-04-robust-noise-geometric-phase-swap.html Quantum Physics Wed, 08 Apr 2026 16:20:05 EDT news694872394 Researchers at the Karlsruhe Institute of Technology (KIT) have reported important progress in quantum physics and materials science by optically initializing, controlling, and reading out nuclear spin states in a molecular material for the first time. Because of their weak interaction with the environment, nuclear spins are particularly stable quantum information carriers. The research, published in Nature Materials, shows that molecular nuclear spins could be a promising building block for future quantum technologies. https://phys.org/news/2026-04-optical-nuclear-molecules-paths-quantum.html Optics & Photonics Wed, 08 Apr 2026 13:00:01 EDT news694866541 Mid-circuit measurements are one of the biggest practical hurdles in quantum error correction on encoded qubits. Researchers in Innsbruck and Aachen have now proposed and experimentally demonstrated that a universal fault-tolerant quantum algorithm can be executed without such measurements. Using a trapped-ion quantum processor, the team successfully ran Grover's quantum search algorithm on three logical qubits. https://phys.org/news/2026-04-quantum.html Quantum Physics Tue, 07 Apr 2026 09:20:05 EDT news694770721 Most people think of diamonds as high-end adornments. Not Ania Bleszynski Jayich. The UC Santa Barbara physicist sees diamonds, which she grows in the UC Quantum Foundry, as a potentially powerful foundation for quantum sensors. Sensors are currently much farther along in their development than other potential quantum applications. Diamond sensors are particularly promising because diamonds require relatively few quantum bits (qubits) to operate, whereas a quantum computer, for instance, requires more than 100,000, perhaps as many as a million, qubits to handle error correction, one of the main hurdles for quantum computing. https://phys.org/news/2026-04-mechanical-boost-diamond-quantum-sensor.html Optics & Photonics Mon, 06 Apr 2026 16:30:01 EDT news694710121 Detecting a single particle of light is hard; detecting a single microwave photon is even harder. Microwave photons, the tiny packets of electromagnetic radiation used in current technologies like Wi-Fi and radar, carry far less energy than visible light. They are about 100,000 times weaker than optical photons. https://phys.org/news/2026-04-tiny-detector-microwave-photons-advance.html Optics & Photonics Fri, 03 Apr 2026 14:00:05 EDT news694368242 One of the greatest mysteries of modern physics, the "black hole information paradox," might have finally found an elegant solution, and the answer could also reveal the origins of the mass of fundamental particles. https://phys.org/news/2026-04-secrets-black-holes-higgs-mass.html General Physics Fri, 03 Apr 2026 08:40:01 EDT news694423741 Imagine you're trying to build a very long, complicated chain of dominoes. The aim is that each domino hits the next one perfectly, all the way down the line, producing an amazing result at the end. A quantum circuit is like a domino chain: a long chain of tiny steps ("operations") that work together to process information together in a powerful way. https://phys.org/news/2026-03-noise-limits-today-quantum-circuits.html Quantum Physics Thu, 02 Apr 2026 05:00:05 EDT news694191002 A University of Sydney quantum physicist has developed a new approach to quantum error correction that could significantly reduce the number of physical qubits required to build large-scale, fault-tolerant quantum computers. The study, co-authored by Dr. Dominic Williamson from the School of Physics, is titled "Low-overhead fault-tolerant quantum computation by gauging logical operators" and published in Nature Physics. https://phys.org/news/2026-03-approach-quantum-error-portends-scalable.html Quantum Physics Thu, 02 Apr 2026 05:00:03 EDT news694191061 A joint research team between the Center for Quantum Information and Quantum Biology (QIQB) at The University of Osaka and Fixstars Corporation has demonstrated one of the world's largest classical simulations of iterative quantum phase estimation (IQPE) circuits for quantum chemistry on up to 1,024 GPUs, surpassing the previous 40-qubit limit. The result expands the scale of molecular systems available for the development and validation of quantum algorithms for future fault-tolerant quantum computers, supporting progress toward industrial applications in drug discovery and materials development. https://phys.org/news/2026-04-world-largest-quantum-circuit-simulation.html Quantum Physics Wed, 01 Apr 2026 19:10:01 EDT news694261507 Quantum computers of the future may be closer to reality thanks to new research from Caltech and Oratomic, a Caltech-linked start-up company. Theorists and experimentalists teamed up to develop a new approach for reducing the errors that riddle today's rudimentary quantum computers. Whereas these machines were previously thought to require millions of qubits to work properly (qubits being the quantum equivalent to 1's and 0's in classical computers), the new results indicate that a fully realized quantum computer could be built with as few as 10,000 to 20,000 qubits. The need for fewer qubits means that quantum computers could, in theory, be operational by the end of the decade. https://phys.org/news/2026-04-quantum-built-qubits-team.html Quantum Physics Wed, 01 Apr 2026 14:20:04 EDT news694260841 Scientists in the Riccio College of Engineering at the University of Massachusetts Amherst and the University of California Santa Barbara have demonstrated key laser and ion trap components necessary to help drastically shrink the size of quantum computers, an achievement aligned with the shrinking of integrated microprocessors in the 1970s, 80s and 90s that allowed computers to move from room-sized behemoths to today's ultrathin smartphones. https://phys.org/news/2026-03-stabilized-laser-components-quantum-room.html Optics & Photonics Mon, 30 Mar 2026 17:00:06 EDT news694100162 Silicon is ubiquitous in modern electronics, and now it is becoming increasingly useful in quantum computing. In particular, silicon's compatibility with existing chip technology and its long coherence times in silicon-based spin qubits make it a promising material for scalable quantum computing. A new study, published in Nature Nanotechnology, has demonstrated silicon's use in a logical quantum processor, representing the first of its kind. https://phys.org/news/2026-03-silicon-quantum-logical.html Quantum Physics Mon, 30 Mar 2026 12:20:01 EDT news694085235 Quantum computers, systems that process information leveraging quantum mechanical effects, could outperform classical computers on some computationally demanding tasks. Despite their potential, as the size of quantum computers increases, reliably describing and measuring the states driving their functioning becomes increasingly difficult. https://phys.org/news/2026-03-protocol-reconstructs-quantum-states-large.html Quantum Physics Sun, 29 Mar 2026 12:30:01 EDT news693834829 Studying and designing novel materials is a central application of quantum mechanics. Chemists, materials scientists, and physicists focus on subtle interactions in quantum materials and to uncover them they rely on sophisticated computational and experimental techniques. Computer simulations that connect microscopic quantum interactions to measurable material properties complement experimental data to connect structure to function—but classical computers can struggle to simulate those properties. Fortunately, scientists today have a new tool in their toolbox: quantum computers. https://phys.org/news/2026-03-quantum-accurately-simulates-real-magnetic.html Condensed Matter Thu, 26 Mar 2026 17:20:02 EDT news693760656 Quantum computing promises to transform our world in rapid, radical and revolutionary ways: solving in seconds problems that would take classical computers years, accelerating the discovery of new medicines, creating sustainable materials, optimizing complex systems, and strengthening cybersecurity. It does so using qubits, the quantum counterparts of classical bits, which can occupy multiple states simultaneously and enable a fundamentally new kind of computation. https://phys.org/news/2026-03-scalable-entanglement-enable-generation-quantum.html Quantum Physics Thu, 26 Mar 2026 17:10:01 EDT news693762181 Quantum computers, systems that process information leveraging quantum mechanical effects, could outperform classical computers on some advanced tasks. These systems rely on qubits, the fundamental units of quantum information, that become linked via an effect known as quantum entanglement and share a unified quantum state. https://phys.org/news/2026-03-dual-rail-superconducting-qubits-generate.html Superconductivity Thu, 26 Mar 2026 08:10:01 EDT news693652193 Large-scale quantum computers are waiting in the wings. One of the main reasons we don't have them yet is because quantum hardware is so noisy. This isn't the type of noise you'd want to shush in a crowded theater. When it comes to computers, noise means errors that crop up when conditions aren't perfect. https://phys.org/news/2026-03-invisible-choreography-quantum-noise.html Quantum Physics Wed, 25 Mar 2026 12:20:03 EDT news693651782 The performance of quantum computers could cap out after around 1,000 qubits, according to a new analysis published in the Proceedings of the National Academy of Sciences. Through new calculations, Tim Palmer at the University of Oxford has reconsidered the mathematical foundations underlying the quantum principles behind the technology, concluding that restrictions on the information-carrying capacity of large quantum systems could make their computing power far more limited than many researchers predict. https://phys.org/news/2026-03-quantum-fundamental-limit.html Quantum Physics Mon, 23 Mar 2026 11:00:07 EDT news693479358 Quantum computers, computing systems that process information using quantum mechanical effects, could outperform classical computers on some computational tasks. These computers rely on qubits, the basic units of quantum information, which can exist in multiple states (0, 1 or both simultaneously), due to quantum effects known as superposition and entanglement. https://phys.org/news/2026-03-superconducting-quantum-processor-significantly-wiring.html Superconductivity Mon, 23 Mar 2026 09:30:01 EDT news693234189