/ 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. A team of physicists from the Faculty of Â鶹ÒùÔºics at the University of Warsaw, the Center for New Technologies at the University of Warsaw and Emory University (Atlanta, U.S.) analyzed how atoms' mutual interactions change the way they collectively interact with light. /news/2025-10-amplifying-emission-atomic-interactions.html Optics & Photonics Quantum Â鶹ÒùÔºics Wed, 15 Oct 2025 12:23:04 EDT news679749781 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 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 A research team led by Prof. Lin Yiheng from the University of Science and Technology of China (USTC), collaborating with Prof. Yuan Haidong from the Chinese University of Hong Kong, succeeded in generating multipartite quantum entangled states across two, three, and five modes using controlled dissipation as a resource. Their study is published in Science Advances. /news/2025-10-multimode-quantum-entanglement-dissipation.html Quantum Â鶹ÒùÔºics Fri, 10 Oct 2025 12:25:03 EDT news679317901 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 Every time you check the time on your phone, make an online transaction, or use a navigation app, you are depending on the precision of atomic clocks. /news/2025-10-physicists-precision-atomic-clocks-quantum.html Optics & Photonics Quantum Â鶹ÒùÔºics Wed, 08 Oct 2025 13:05:05 EDT news679147502 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 study from Rice University, published in PRX Quantum, has found that energy transfers more quickly between molecular sites when it starts in an entangled, delocalized quantum state instead of from a single site. The discovery could lead to the development of more efficient light-harvesting materials that enhance the conversion of energy from light into other forms of energy. /news/2025-10-entangled-states-energy-molecular.html Quantum Â鶹ÒùÔºics Wed, 01 Oct 2025 15:59:04 EDT news678553142 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 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 Amid high expectations for quantum technology, a new paper in Science reports a proven quantum advantage. In an experiment, entangled light has allowed researchers to learn a system's noise with very few measurements. /news/2025-09-proven-quantum-advantage-task-million.html Optics & Photonics Quantum Â鶹ÒùÔºics Thu, 25 Sep 2025 14:55:04 EDT news678030901 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 Imagine the benefits if the entire internet got a game-changing upgrade to speed and security. This is the promise of the quantum internet—an advanced system that uses single photons to operate. Researchers at Tohoku University have developed a new photonic router that can direct single and quantum entangled photons with unprecedented levels of efficiency. This advancement in quantum optics brings us closer to quantum networks and next-generation photonic quantum technologies becoming an everyday reality. /news/2025-09-routing-photonic-entanglement-quantum-internet.html Optics & Photonics Quantum Â鶹ÒùÔºics Wed, 24 Sep 2025 08:50:03 EDT news677922601 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 quantum many body problem has been at the heart of much of theoretical and experimental physics over the past few decades. Even though we have understood the fundamental laws that govern the behavior of elementary particles for almost a century, the issue is that many interesting phenomena are the result of the complex collective behavior of many interacting quantum particles. In the words of condensed matter theorist Philip W. Anderson: "More is different." /news/2025-09-tensor-network-based-approach-advance.html Quantum Â鶹ÒùÔºics Tue, 23 Sep 2025 11:50:08 EDT news677839420 Quantum technologies are systems that can compute data, sense their surrounding environment or perform other functions leveraging quantum mechanical effects. Connecting these technologies over long distances has so far proved challenging, as quantum information can easily become scrambled or destroyed following decoherence resulting from the systems' interactions with their surrounding environment. /news/2025-09-relay-architecture-based-quantum-dot.html Optics & Photonics Quantum Â鶹ÒùÔºics Tue, 23 Sep 2025 06:30:01 EDT news677159777 Integration into a quantum money protocol shows that memories can now handle very demanding applications for quantum networking. /news/2025-09-quantum-memories-milestone-money-protocol.html Optics & Photonics Quantum Â鶹ÒùÔºics Mon, 22 Sep 2025 11:55:12 EDT news677760904 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 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 UNSW engineers have made a significant advance in quantum computing: they created 'quantum entangled states'—where two separate particles become so deeply linked they no longer behave independently—using the spins of two atomic nuclei. Such states of entanglement are the key resource that gives quantum computers their edge over conventional ones. /news/2025-09-quantum-atoms-chatting-distance.html Quantum Â鶹ÒùÔºics Thu, 18 Sep 2025 14:00:13 EDT news677405582 The operation of quantum computers, systems that process information leveraging quantum mechanical effects, relies on the implementation of quantum logic gates. These are essentially operations that manipulate qubits, units of information that can exist in a superposition of states and can become entangled. /news/2025-09-universal-scheme-efficiently-generates-arbitrary.html Quantum Â鶹ÒùÔºics Thu, 18 Sep 2025 06:30:01 EDT news677245541 Copper selenide (Cuâ‚‚Se) attracts scientific interest for its thermoelectric ability to convert heat into electricity, but a lack of atomic-level understanding has limited its practical applications for decades. /news/2025-09-conquering-disorder-solid-liquid-ion.html Condensed Matter Wed, 17 Sep 2025 12:40:03 EDT news677331192 A nanoscale optical device has been developed that allows independent control over the intensity and phase of light. By applying voltage, this innovative device can freely manipulate the phase and magnitude of second-harmonic (SH) light, opening new avenues for advanced quantum communication and information processing technologies. The research is published in Science Advances. /news/2025-09-nanoscale-optical-device-enables-independent.html Nanophysics Nanomaterials Wed, 17 Sep 2025 11:42:02 EDT news677328121 This is what fun looks like for a particular set of theoretical chemists driven to solve extremely difficult problems: Deciding whether the electromagnetic fields in molecular polaritons should be treated classically or quantum mechanically. /news/2025-09-principles-simulations-reveal-quantum-entanglement.html Quantum Â鶹ÒùÔºics Mon, 15 Sep 2025 16:10:04 EDT news677170985 The concept of quantum entanglement is emblematic of the gap between classical and quantum physics. Referring to a situation in which it is impossible to describe the physics of each photon separately, this key characteristic of quantum mechanics defies the classical expectation that each particle should have a reality of its own, which gravely concerned Einstein. /news/2025-09-quantum-state-trio-entangled-photons.html Optics & Photonics Quantum Â鶹ÒùÔºics Fri, 12 Sep 2025 14:00:01 EDT news676802641