/ en-us �鶹��Ժ internet news portal provides the latest news on science including: �鶹��Ժics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. A team of researchers has developed a technique that makes high-dimensional quantum information encoded in light more practical and reliable. /news/2025-05-universe-awkward-handshake-high-dimensional.html Optics & Photonics Quantum �鶹��Ժics Fri, 09 May 2025 11:35:03 EDT news666009301 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. /news/2025-05-boosting-quantum-error-ai.html Quantum �鶹��Ժics Fri, 09 May 2025 11:09:14 EDT news666007743 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. /news/2025-05-scalable-approach-distill-quantum-features.html Quantum �鶹��Ժics Thu, 08 May 2025 06:30:01 EDT news665833308 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. /news/2025-05-photon-technology-powers-mile-quantum.html Optics & Photonics Quantum �鶹��Ժics Tue, 06 May 2025 11:39:03 EDT news665750341 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. /news/2025-05-benchmarking-quantum-gates-protocol-paves.html Quantum �鶹��Ժics Tue, 06 May 2025 10:37:04 EDT news665746622 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. /news/2025-05-scientists-reveal-hidden-interface-superconducting.html Superconductivity Quantum �鶹��Ժics Tue, 06 May 2025 10:00:04 EDT news665743815 Quantum technologies, which leverage quantum mechanical effects to process information, could outperform their classical counterparts in some complex and advanced tasks. The development and real-world deployment of these technologies partly relies on the ability to transfer information between different types of quantum systems effectively. /news/2025-05-microwave-optical-transducer-rare-earth.html Optics & Photonics Quantum �鶹��Ժics Tue, 06 May 2025 07:50:01 EDT news665412436 Researchers at QuTech in Delft have combined superconductors and quantum dots to observe and manipulate so-called Majorana bound states, which have properties that could enable stable quantum computation. By building a chain of three coupled quantum dots in a two-dimensional electron gas, they were able to demonstrate properties of Majoranas that are essential for the study of Majorana-based quantum bits. /news/2025-05-majoranas-superconductor-quantum-dot-combo.html Condensed Matter Quantum �鶹��Ժics Fri, 02 May 2025 12:03:16 EDT news665406184 Innsbruck physicists have presented a new architecture for improved quantum control of microwave resonators. In a study recently published in PRX Quantum, they show how a superconducting fluxonium qubit can be selectively coupled and decoupled with a microwave resonator and without additional components. This makes potentially longer storage times possible. /news/2025-05-architecture-microwave-resonators-quantum.html Quantum �鶹��Ժics Fri, 02 May 2025 11:21:02 EDT news665403661 Interdisciplinary teams across the Quantum Systems Accelerator (QSA) are using innovative approaches to push the boundaries of superconducting qubit technology, bridging the gap between today's NISQ (Noisy Intermediate-Scale Quantum) systems and future fault-tolerant systems capable of impactful science applications. /news/2025-05-superconducting-qubits-enable-quantum-simulations.html Quantum �鶹��Ժics Fri, 02 May 2025 03:00:01 EDT news665370816 Today, most of us carry a fairly powerful computer in our hand—a smartphone. But computers weren't always so portable. Since the 1980s, they have become smaller, lighter, and better equipped to store and process vast troves of data. Yet the silicon chips that power computers can only get so small. /news/2025-05-unique-molecule-smaller-efficient.html Nanophysics Nanomaterials Thu, 01 May 2025 17:04:04 EDT news665337841 A research team at Tohoku University's Advanced Institute for Materials Research (WPI-AIMR) has developed a new technique to rapidly and accurately determine the charge state of electrons confined in semiconductor quantum dots—fundamental components of quantum computing systems. The method is based on Bayesian inference, a statistical framework that estimates the most likely state of a system using observed data. /news/2025-05-bayesian-inference-enables-rapid-quantum.html Nanophysics Nanomaterials Thu, 01 May 2025 09:52:03 EDT news665311921 A quantum computer can solve optimization problems faster than classical supercomputers, a process known as "quantum advantage" and demonstrated by a USC researcher in a paper recently published in �鶹��Ժical Review Letters. /news/2025-04-quantum-outperforms-supercomputers-approximate-optimization.html Quantum �鶹��Ժics Wed, 30 Apr 2025 15:40:08 EDT news665246401 In the future, quantum computers could rapidly simulate new materials or help scientists develop faster machine‐learning models, opening the door to many new possibilities. /news/2025-04-advance-fault-tolerant-quantum.html Optics & Photonics Quantum �鶹��Ժics Wed, 30 Apr 2025 05:00:01 EDT news665134397 Researchers have demonstrated a new quantum sensing technique that widely surpasses conventional methods, potentially accelerating advances in fields ranging from medical imaging to foundational physics research, as shown in a study published in Nature Communications. /news/2025-04-quantum-barrier-protocol-counteracts-limitation.html Quantum �鶹��Ժics Tue, 29 Apr 2025 05:00:01 EDT news665052661 He Qinglin's group at the Center for Quantum Materials Science, School of �鶹��Ժics, has reported the first observation of non-reciprocal Coulomb drag in Chern insulators. This breakthrough opens new pathways for exploring Coulomb interactions in magnetic topological systems and enhances our understanding of quantum states in such materials. The work was published in Nature Communications. /news/2025-04-reciprocal-coulomb-chern-insulators.html Condensed Matter Quantum �鶹��Ժics Mon, 28 Apr 2025 14:50:42 EDT news665070636 Quantum technologies, which operate leveraging quantum mechanical phenomena, have the potential to outperform their classical counterparts in some optimization and computational tasks. These technologies include so-called quantum networks, systems designed to transmit information between interconnected nodes and process it, using quantum phenomena such as entanglement and superposition. /news/2025-04-coherent-hybrid-quantum-network-node.html Quantum �鶹��Ժics Tue, 22 Apr 2025 07:30:02 EDT news664452566 Imagine the tiniest game of checkers in the world—one played by using lasers to precisely shuffle around ions across a very small grid. /news/2025-04-quantum-game-showcases.html Quantum �鶹��Ժics Thu, 17 Apr 2025 15:56:35 EDT news664124185 In a physics first, a team including scientists from the National Institute of Standards and Technology (NIST) has created a way to make beams of neutrons travel in curves. These Airy beams (named for English scientist George Airy), which the team created using a custom-built device, could enhance neutrons' ability to reveal useful information about materials ranging from pharmaceuticals to perfumes to pesticides—in part because the beams can bend around obstacles. /news/2025-04-neutron-benefits-straight-industry.html General �鶹��Ժics Optics & Photonics Thu, 17 Apr 2025 14:37:04 EDT news664119422 Scientists at EPFL have made a breakthrough in designing arrays of resonators, the basic components that power quantum technologies. This innovation could create smaller, more precise quantum devices. /news/2025-04-smaller-smarter-blocks-future-quantum.html Superconductivity Quantum �鶹��Ժics Thu, 17 Apr 2025 09:18:04 EDT news664100282 Over the past decades, researchers have been trying to develop increasingly advanced and powerful quantum computers, which could outperform classical computers on some tasks. To attain this, they have been trying to identify new ways to store and manipulate qubits, which are the fundamental units of information in quantum computing systems. /news/2025-04-symmetry-molecular-qubits-based-cold.html Quantum �鶹��Ժics Wed, 16 Apr 2025 10:30:02 EDT news664017889 Diamonds with certain optically active defects can be used as highly sensitive sensors or qubits for quantum computers, where the quantum information is stored in the electron spin state of these color centers. However, the spin states have to be read out optically, which is often experimentally complex. Now, a team at HZB has developed an elegant method using a photo voltage to detect the individual and local spin states of these defects. This could lead to a much more compact design of quantum sensors. /news/2025-04-elegant-method-photovoltage.html Condensed Matter Quantum �鶹��Ժics Tue, 15 Apr 2025 14:24:03 EDT news663945842 Quantum computers, which process information leveraging quantum mechanical effects, have the potential to outperform classical computers in some optimization and computational tasks. In addition, they could be used to simulate complex quantum systems that cannot be simulated using classical computers. /news/2025-04-simulating-quantum-magnetism-digital.html Quantum �鶹��Ժics Thu, 10 Apr 2025 06:30:01 EDT news663414213 Quantum states can only be prepared and observed under highly controlled conditions. A research team from Innsbruck, Austria, has now succeeded in creating so-called hot Schrödinger cat states in a superconducting microwave resonator. The study, published in Science Advances, shows that quantum phenomena can also be observed and used in less perfect, warmer conditions. /news/2025-04-hot-schrdinger-cat-states.html Quantum �鶹��Ժics Fri, 04 Apr 2025 14:00:06 EDT news662972881 An invention from Twente improves the quality of light particles (photons) to such an extent that building quantum computers based on light becomes cheaper and more practical. The researchers published their research in the journal �鶹��Ժical Review Applied. /news/2025-04-error-method-photon-requirements-quantum.html Optics & Photonics Quantum �鶹��Ժics Thu, 03 Apr 2025 11:30:57 EDT news662898653 Kenneth Merz, Ph.D., of Cleveland Clinic's Center for Computational Life Sciences, and a research team are testing quantum computing's abilities in chemistry through integrating machine learning and quantum circuits. /news/2025-04-quantum-proton-affinity-superior-accuracy.html Analytical Chemistry Wed, 02 Apr 2025 13:23:54 EDT news662819026 Applied physicists at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have created a photon router that could plug into quantum networks to create robust optical interfaces for noise-sensitive microwave quantum computers. /news/2025-04-router-photons-transducer-enable-superconducting.html Optics & Photonics Quantum �鶹��Ժics Wed, 02 Apr 2025 05:00:05 EDT news662715062 An international team led by Rutgers University-New Brunswick researchers has merged two lab-synthesized materials into a synthetic quantum structure once thought impossible to exist and produced an exotic structure expected to provide insights that could lead to new materials at the core of quantum computing. /news/2025-04-scientists-merge-impossible-materials-artificial.html Nanophysics Nanomaterials Tue, 01 Apr 2025 11:49:05 EDT news662726941 Magnesium is a common chemical element, an alkaline earth metal, which is highly chemically reactive and is very light (even lighter than aluminum). Magnesium is abundant in plants and minerals and plays a role in human physiology and metabolism. In the cosmos, it is produced by large aging stars. /news/2025-03-magnesium-superconductor-2d-limit.html Condensed Matter Superconductivity Tue, 01 Apr 2025 08:20:01 EDT news662636519 An international research team led by QuTech has realized a three-site Kitaev chain using semiconducting quantum dots coupled by superconducting segments in a hybrid InSb/Al nanowire. When comparing two-and three-site chains within the same device, they observed that extending the chain to three sites increased the stability of the zero-energy modes. This work demonstrates the scalability of quantum-dot-based Kitaev chains and their potential to host stable Majorana zero modes. The researchers published their results in Nature Nanotechnology. /news/2025-03-site-kitaev-chain-stability-majorana.html Nanophysics Mon, 31 Mar 2025 13:45:03 EDT news662647501