/ en-us Â鶹ÒùÔº internet news portal provides the latest news on science including: Â鶹ÒùÔºics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Quantum information systems, systems that process, store or transmit information leveraging quantum mechanical effects, could, in principle, outperform classical systems in some optimization, computational, sensing, and learning tasks. An important aspect of quantum information science is the reliable quantification of quantum states in a system, to verify that they match desired (i.e., target) states. /news/2025-10-rigorous-approach-quantifies-quantum-states.html Quantum Â鶹ÒùÔºics Wed, 15 Oct 2025 06:30:01 EDT news679654562 The 2025 Nobel Prize in physics honors three quantum physicists—John Clarke, Michel H. Devoret and John M. Martinis—for their study of quantum mechanics in a macroscopic electrical circuit. /news/2025-10-artificial-atoms-quantum-machines-nobel.html Quantum Â鶹ÒùÔºics Mon, 13 Oct 2025 11:27:05 EDT news679573622 Quantum networks, systems consisting of connected quantum computers, quantum sensors or other quantum devices, hold the potential of enabling faster and safer communications. The establishment of these networks relies on a quantum phenomenon known as entanglement, which entails a link between particles or systems, with the quantum state of one influencing the other even when they are far apart. /news/2025-10-scalable-approach-quantum-communication-network.html Optics & Photonics Quantum Â鶹ÒùÔºics Sat, 11 Oct 2025 08:30:01 EDT news679227089 Researchers from EeroQ, the quantum computing company pioneering electron-on-helium technology, have published a paper, titled "Sensing and Control of Single Trapped Electrons Above 1 Kelvin," in Â鶹ÒùÔºical Review X that details a significant milestone: the first demonstration of controlling and detecting individual electrons trapped on superfluid helium at temperatures above 1 Kelvin. This work was achieved using on-chip superconducting microwave circuits, a method compatible with existing quantum hardware. /news/2025-10-individual-electrons-easing-cooling-limits.html Quantum Â鶹ÒùÔºics Thu, 09 Oct 2025 14:15:02 EDT news679238101 Quantum mechanics describes the weird behavior of microscopic particles. Using quantum systems to perform computation promises to allow researchers to solve problems in areas from chemistry to cryptography that have so many possible solutions that they are beyond the capabilities of even the most powerful nonquantum computers possible. /news/2025-10-nobel-prize-physics-awarded-ultracold.html Quantum Â鶹ÒùÔºics Thu, 09 Oct 2025 10:08:04 EDT news679223281 The Nobel Prize in Â鶹ÒùÔºics was awarded to three scientists on Tuesday for discovering that a bizarre barrier-defying phenomenon in the quantum realm could be observed on an electrical circuit in our classical world. /news/2025-10-quantum-weirdness-world-nobel-physics.html General Â鶹ÒùÔºics Quantum Â鶹ÒùÔºics Tue, 07 Oct 2025 12:36:52 EDT news679059406 An international team of researchers from Forschungszentrum Jülich (Germany), Tohoku University (Japan), and École Polytechnique de Montréal (Canada) has made a significant discovery in semiconductor science by revealing the remarkable spin-related material properties of Germanium-Tin (GeSn) semiconductors. /news/2025-10-harnessing-gesn-semiconductors-tomorrow-quantum.html Condensed Matter Quantum Â鶹ÒùÔºics Mon, 06 Oct 2025 12:07:04 EDT news678971222 Researchers have created a chip-based device that can split phonons—tiny packets of mechanical vibration that can carry information in quantum systems. By filling a key gap, this device could help connect various quantum devices via phonons, paving the way for advanced computing and secure quantum communication. /news/2025-10-chip-based-phonon-splitter-hybrid.html Optics & Photonics Quantum Â鶹ÒùÔºics Mon, 06 Oct 2025 10:00:05 EDT news678963061 A team of scientists from the University of Chicago, the University of California Berkeley, Argonne National Laboratory, and Lawrence Berkeley National Laboratory has developed molecular qubits that bridge the gap between light and magnetism—and operate at the same frequencies as telecommunications technology. The advance, published today in Science, establishes a promising new building block for scalable quantum technologies that can integrate seamlessly with existing fiber-optic networks. /news/2025-10-molecular-qubits-communicate-telecom-frequencies.html Optics & Photonics Quantum Â鶹ÒùÔºics Thu, 02 Oct 2025 17:02:04 EDT news678643321 In the era of instant data exchange and growing risks of cyberattacks, scientists are seeking secure methods of transmitting information. One promising solution is quantum cryptography—a quantum technology that uses single photons to establish encryption keys. /news/2025-10-quantum-key-method-urban-infrastructure.html Optics & Photonics Quantum Â鶹ÒùÔºics Thu, 02 Oct 2025 13:37:04 EDT news678631021 A small yet innovative experiment is taking place at CERN. Its goal is to test how the CERN-born optical timing signal—normally used in the Laboratory's accelerators to synchronize devices with ultra-high precision—can best be sent through an optical fiber alongside a single-photon signal from a source of quantum-entangled photons. The results could pave the way for using this technique in quantum networks and quantum cryptography. /news/2025-10-white-rabbit-optical-technology-quantum.html Optics & Photonics Quantum Â鶹ÒùÔºics Thu, 02 Oct 2025 11:32:13 EDT news678623529 Many governments and tech companies are investing heavily in quantum technologies. In New Zealand, the recently announced Institute for Advanced Technology is also envisioned to focus on this area of research. /news/2025-10-spooky-action-distance-beginner-quantum.html Quantum Â鶹ÒùÔºics Thu, 02 Oct 2025 09:35:05 EDT news678616502 Quantum computing is still in its early stages of development, but researchers have extensively explored its potential uses. A recent study conducted at São Paulo State University (UNESP) in Brazil proposed a hybrid quantum-classical model to support breast cancer diagnosis from medical images. /news/2025-10-combination-quantum-classical-early-diagnosis.html Quantum Â鶹ÒùÔºics Wed, 01 Oct 2025 16:10:04 EDT news678553441 A new platform developed by Illinois Grainger engineers demonstrates the utility of a ytterbium-171 atom array in quantum networking. Their work represents a key step toward long-distance quantum communication. /news/2025-10-parallel-atom-photon-entanglement-paves.html Optics & Photonics Quantum Â鶹ÒùÔºics Wed, 01 Oct 2025 11:47:17 EDT news678538033 The future of computing lies in the surprising world of quantum physics, where the rules are much different from the ones that power today's devices. Quantum computers promise to tackle problems too complex for even the fastest supercomputers running on silicon chips. To make this vision real, scientists around the world are searching for new quantum materials with unusual, almost otherworldly properties. /news/2025-10-extreme-pressure-honeycomb-crystal-quantum.html Condensed Matter Quantum Â鶹ÒùÔºics Wed, 01 Oct 2025 10:33:04 EDT news678533581 A quantum computer has demonstrated that it can solve a problem more efficiently than a conventional computer. This achievement comes from being able to unlock a vast memory resource that classical computing cannot match. /news/2025-09-scientists-quantum-unconditionally-outperform-classical.html Quantum Â鶹ÒùÔºics Tue, 30 Sep 2025 11:14:42 EDT news678449676 A new class of highly efficient and scalable quantum low-density parity-check error correction codes, capable of performance approaching the theoretical hashing bound, has been developed by scientists at the Institute of Science, Tokyo, Japan. These novel error correction codes can handle quantum codes with hundreds of thousands of qubits, potentially enabling large-scale fault-tolerant quantum computing, with applications in diverse fields, including quantum chemistry and optimization problems. /news/2025-09-quantum-error-codes-enable-efficient.html Quantum Â鶹ÒùÔºics Mon, 29 Sep 2025 15:20:12 EDT news678377625 One often-repeated example illustrates the mind-boggling potential of quantum computing: A machine with 300 quantum bits could simultaneously store more information than the number of particles in the known universe. /news/2025-09-physicists-quantum-bit-capable.html Quantum Â鶹ÒùÔºics Sun, 28 Sep 2025 08:50:01 EDT news678095146 Cold atom experiments are among the most powerful and precise ways of investigating and measuring the universe and exploring the quantum world. By trapping atoms and exploiting their quantum properties, scientists can discover new states of matter, sense even the faintest of signals, take ultra-precise measurements of time and gravity, and conduct quantum sensing and computing experiments. /news/2025-09-chip-scale-cold-atom-unleash.html Quantum Â鶹ÒùÔºics Thu, 25 Sep 2025 09:27:05 EDT news678011221 In a world-first, researchers from the Femtosecond Spectroscopy Unit at the Okinawa Institute of Science and Technology (OIST) have directly observed the evolution of the elusive dark excitons in atomically thin materials, laying the foundation for new breakthroughs in both classical and quantum information technologies. /news/2025-09-dark-valleytronics-excitons-atomically-thin.html Condensed Matter Quantum Â鶹ÒùÔºics Thu, 25 Sep 2025 09:21:31 EDT news678010886 For more than a century, physics has been built on two great theories. Einstein's general relativity explains gravity as the bending of space and time. /news/2025-09-fundamental-universe-dark-energy.html General Â鶹ÒùÔºics Quantum Â鶹ÒùÔºics Wed, 24 Sep 2025 13:40:03 EDT news677939406 Quantum computers will need large numbers of qubits to tackle challenging problems in physics, chemistry, and beyond. Unlike classical bits, qubits can exist in two states at once—a phenomenon called superposition. This quirk of quantum physics gives quantum computers the potential to perform certain complex calculations better than their classical counterparts, but it also means the qubits are fragile. To compensate, researchers are building quantum computers with extra, redundant qubits to correct any errors. That is why robust quantum computers will require hundreds of thousands of qubits. /news/2025-09-physicists-qubit-array.html Quantum Â鶹ÒùÔºics Wed, 24 Sep 2025 12:47:03 EDT news677936821 RIKEN physicists have found a way to speed up the readout of qubits in superconducting quantum computers, which should help to make them faster and more reliable. /news/2025-09-physicists-superconducting-qubit-readout-quantum.html Superconductivity Quantum Â鶹ÒùÔºics Wed, 24 Sep 2025 11:06:03 EDT news677930762 In a study published in Reports on Progress in Â鶹ÒùÔºics, researchers have achieved device-independent characterization of genuinely entangled subspaces (GESs) in both optical and superconducting quantum systems, completing the self-checking of the five-qubit error correction code space. /news/2025-09-device-independent-method-certifies-genuinely.html Quantum Â鶹ÒùÔºics Tue, 23 Sep 2025 14:16:09 EDT news677855766 The artificial intelligence models that turn text into images are also useful for generating new materials. Over the last few years, generative materials models from companies like Google, Microsoft, and Meta have drawn on their training data to help researchers design tens of millions of new materials. /news/2025-09-tool-ai-materials-exotic-quantum.html Condensed Matter Quantum Â鶹ÒùÔºics Mon, 22 Sep 2025 12:35:05 EDT news677763302 The neutral atom array architecture for quantum computing has been rapidly advancing over the last several years, and a recent study published in Nature has just revealed another step forward for this technology. The team of Harvard researchers involved in this study have engineered a 3,000-qubit neutral atom array system capable of operating continuously for more than two hours, which goes far beyond typical trap lifetimes of only about 60 seconds. /news/2025-09-qubit-neutral-atom-array-reloads.html Optics & Photonics Quantum Â鶹ÒùÔºics Mon, 22 Sep 2025 11:54:31 EDT news677760866 In a collaboration showing the power of innovation and teamwork, physicists and engineers at the Department of Energy's Oak Ridge National Laboratory developed a mobile muon detector that promises to enhance monitoring for spent nuclear fuel and help address a critical challenge for quantum computing. /news/2025-09-neutron-detector-mobilizes-muons-nuclear.html General Â鶹ÒùÔºics Quantum Â鶹ÒùÔºics Fri, 19 Sep 2025 13:01:05 EDT news677505662 Quantum physics often reveals phenomena that defy common sense. A new theory of quantum scarring deepens our understanding of the connection between the quantum world and classical mechanics, sheds light on earlier findings and marks a step forward toward future technological applications. /news/2025-09-quantum-scars-boost-electron-microchips.html Condensed Matter Quantum Â鶹ÒùÔºics Fri, 19 Sep 2025 10:29:03 EDT news677496541 Quantum computers, computing systems that process information leveraging quantum mechanical effects, could soon outperform classical computers in various optimization and computational tasks. /news/2025-09-scalable-accurate-tool-characterize-entanglement.html Quantum Â鶹ÒùÔºics Fri, 19 Sep 2025 06:30:02 EDT news677153429 A team of scientists at Simon Fraser University's Quantum Technology Lab and leading Canada-based quantum company Photonic Inc. have created a new type of silicon-based quantum device controlled both optically and electrically, marking the latest breakthrough in the global quantum computing race. /news/2025-09-physicists-electrically-silicon-based-quantum.html Optics & Photonics Quantum Â鶹ÒùÔºics Thu, 18 Sep 2025 12:51:04 EDT news677418661