/ 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. When exposed to periodic driving, which is the time-dependent manipulation of a system's parameters, quantum systems can exhibit interesting new phases of matter that are not present in time-independent (i.e., static) conditions. Among other things, periodic driving can be useful for the engineering of synthetic gauge fields, artificial constructs that mimic the behavior of electromagnetic fields and can be leveraged to study topological many-body physics using neutral atom quantum simulators. /news/2025-05-quantum-simulator-strongly-interacting-mott.html Quantum Â鶹ÒùÔºics Fri, 23 May 2025 07:20:01 EDT news667133039 What if the magnon Hall effect, which processes information using magnons (spin waves) capable of current-free information transfer with magnets, could overcome its current limitation of being possible only on a 2D plane? If magnons could be utilized in 3D space, they would enable flexible design, including 3D circuits, and be applicable in various fields such as next-generation neuromorphic (brain-mimicking) computing structures, similar to human brain information processing. /news/2025-05-unveil-3d-magnon-neuromorphic-quantum.html Condensed Matter Quantum Â鶹ÒùÔºics Thu, 22 May 2025 11:22:03 EDT news667131721 When two-dimensional electron systems are subjected to magnetic fields at low temperatures, they can exhibit interesting states of matter, such as fractional quantum Hall liquids. These are exotic states of matter characterized by fractionalized excitations and the emergence of interesting topological phenomena. /news/2025-05-fermionic-neural-network-ground-state.html Condensed Matter Quantum Â鶹ÒùÔºics Thu, 22 May 2025 09:50:25 EDT news667126215 Molding the flow of light—whether confined to localized regions or propagating in free space—remains crucial for modern integrated photonics. The advancement of the multi-channel, programmable optical waveguide and coupler arrays has enabled us to develop photonic integrated circuits (PICs) as a viable alternative to electronic ones, overcoming limitations in processing speed, bandwidth, and efficiency across the optical-to-microwave spectrum. /news/2025-05-topological-polycrystal-approach-configurable-multiband.html Condensed Matter Optics & Photonics Thu, 08 May 2025 11:20:01 EDT news665914846 MIT physicists have captured the first images of individual atoms freely interacting in space. The pictures reveal correlations among the "free-range" particles that until now were predicted but never directly observed. Their findings, published today in the journal Â鶹ÒùÔºical Review Letters, will help scientists visualize never-before-seen quantum phenomena in real space. /news/2025-05-physicists-snap-images-free-range.html Quantum Â鶹ÒùÔºics Mon, 05 May 2025 10:15:04 EDT news665658902 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 Â鶹ÒùÔºics Fri, 02 May 2025 03:00:01 EDT news665370816 He Qinglin's group at the Center for Quantum Materials Science, School of Â鶹ÒùÔºics, 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 Â鶹ÒùÔºics Mon, 28 Apr 2025 14:50:42 EDT news665070636 There are a seemingly endless number of quantum states that describe quantum matter and the strange phenomena that emerge when large numbers of electrons interact. For decades, many of these states have been theoretical: mathematical and computational predictions potentially hiding among real-life materials—a zoo, as many scientists are coming to refer to it, with new "species" just waiting to be discovered and described. /news/2025-04-quantum-zoo-scientists-dozen-species.html Quantum Â鶹ÒùÔºics Mon, 21 Apr 2025 13:26:04 EDT news664460761 When an electric current passes through some materials, it generates a voltage perpendicular to the direction in which the current is flowing and of an applied magnetic field. This physical phenomenon, known as the anomalous Hall effect, has been linked to the intrinsic properties of some materials. /news/2025-04-mathematical-modulates-anomalous-hall-angle.html Condensed Matter Mon, 21 Apr 2025 11:09:21 EDT news664452556 Traditionally, magnetic materials have been divided into two main categories: ferromagnets and antiferromagnets. Over the past few years, however, physicists have uncovered the existence of altermagnets, a new type of magnetic material that exhibits features of both antiferromagnets and ferromagnets. /news/2025-04-layered-room-temperature-altermagnet-advanced.html Condensed Matter Fri, 18 Apr 2025 07:50:01 EDT news664105640 A new study published in Nature Communications April 7 could reshape the future of magnetic and electronic technology. Scientists at Rice University have discovered how a disappearing electronic pattern in a quantum material can be revived under specific thermal conditions. The finding opens new doors for customizable quantum materials and in-situ engineering, where devices are manufactured or manipulated directly at their point of use. /news/2025-04-scientists-method-electronic-patterns-quantum.html Condensed Matter Quantum Â鶹ÒùÔºics Wed, 09 Apr 2025 15:06:40 EDT news663429995 If one side of a conducting or semiconducting material is heated while the other remains cool, charge carriers move from the hot side to the cold side, generating an electrical voltage known as thermopower. /news/2025-03-thermopower-based-technique-fractional-quantum.html Condensed Matter Quantum Â鶹ÒùÔºics Fri, 28 Mar 2025 09:50:01 EDT news662370378 Scholars at the School of Engineering of the Hong Kong University of Science and Technology (HKUST) have unveiled an innovation that brings artificial intelligence (AI) closer to quantum computing—both physically and technologically. /news/2025-03-meters-closer-miles-faster-cryogenic.html Condensed Matter Quantum Â鶹ÒùÔºics Mon, 24 Mar 2025 15:03:25 EDT news662047400 Terahertz (THz) waves are located between microwaves and infrared light in the electromagnetic spectrum. They can pass through many materials without causing damage, making them useful for security scanning, medical imaging, and high-speed wireless communication. Unlike visible light or radio waves, THz waves can reveal structural details of biological molecules and penetrate nonmetallic objects like clothing and paper. /news/2025-03-patterned-spintronic-emitter-enables-room.html Condensed Matter Optics & Photonics Mon, 24 Mar 2025 14:30:04 EDT news662045402 In a new publication in Nature Materials, an international team of researchers has developed groundbreaking artificial chains of the iconic "olympicene" molecules to realize the antiferromagnetic (AF) spin-½ Heisenberg model, a flagship quantum spin model that has been the cornerstone of quantum magnetism, since the seminal work of Bethe, for almost a century now. This study makes nanographenes (NGs) an ideal platform for realizing and studying highly entangled quantum spin systems, with potential applications in insulator-based AF spintronics. /news/2025-03-olympicene-molecular-chains-quantum-spintronics.html Condensed Matter Quantum Â鶹ÒùÔºics Fri, 14 Mar 2025 11:23:03 EDT news661170181 With today's data rates of only a few hundred megabytes per second, access to digital information remains relatively slow. Initial experiments have already shown a promising new strategy: Magnetic states can be read out by short current pulses, whereby recently discovered spintronic effects in purpose-built material systems could remove previous speed restrictions. /news/2025-03-magnetic-states-faster-infrared.html Condensed Matter Optics & Photonics Thu, 13 Mar 2025 09:30:03 EDT news661077001 Superconductivity, which entails an electrical resistance of zero at very low temperatures, is a highly desirable and thus widely studied quantum phenomenon. Typically, this state is known to arise following the formation of bound electron pairs known as Cooper pairs, yet identifying the factors contributing to its emergence in quantum materials has so far proved more challenging. /news/2025-03-physicists-uncover-superconducting-regimes-kagome.html Condensed Matter Superconductivity Thu, 13 Mar 2025 06:30:01 EDT news660905885 Since the groundbreaking discovery of graphene in 2004, the dizzying pace of progress in two-dimensional (2D) materials has ushered in a new era of fundamental research and technological innovation. Although nearly 2,000 2D materials have been theoretically predicted and hundreds have been created in laboratory settings, most of these 2D materials are limited to van der Waals (vdW) layered crystals. /news/2025-03-scientists-universal-technique-van-der.html Nanophysics Nanomaterials Wed, 12 Mar 2025 12:00:03 EDT news660989068 Electronic devices rely on materials whose electrical properties change with temperature, making them less stable in extreme conditions. A discovery by McGill University researchers that challenges conventional wisdom in physics suggests that bismuth, a metal, could serve as the foundation for highly stable electronic components. /news/2025-03-ultra-thin-bismuth-unexpected-green.html Condensed Matter Mon, 10 Mar 2025 12:29:03 EDT news660828541 For decades, people have been trying to directly detect dark matter: the missing mass in our universe. Now, there's a new, super-sensitive detector on the case—and even though it's still in the research and development phase, it's already been able to search for kinds of dark matter that other detectors can't reach. /news/2025-03-small-mighty-tesseract-dark.html Astronomy Thu, 06 Mar 2025 10:09:05 EST news660478141 A research team led by Prof. Long Shibing from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) has, for the first time, made spintronic neuromorphic devices based on CoO/Pt heterostructure. The study is published in Nano Letters. /news/2025-03-antiferromagnetic-neuromorphic-memory-spintronic-device.html Nanophysics Nanomaterials Mon, 03 Mar 2025 11:15:02 EST news660222901 Light was long considered to be a wave, exhibiting the phenomenon of interference in which ripples like those in water waves are generated under specific interactions. Light also bends around corners, resulting in fringing effects, which is termed diffraction. The energy of light is associated with its intensity and is proportional to the square of the amplitude of the electric field, but in the photoelectric effect, the energy of emitted electrons is found to be proportional to the frequency of radiation. /news/2025-03-einstein-quanta-lens-maxwell-equations.html Optics & Photonics Quantum Â鶹ÒùÔºics Mon, 03 Mar 2025 10:40:02 EST news660219732 MIT physicists report the unexpected discovery of electrons forming crystalline structures in a material only billionths of a meter thick. The work adds to a gold mine of discoveries originating from the material, which the same team discovered only about three years ago. /news/2025-02-physicists-unexpected-crystals-electrons-ultrathin.html Condensed Matter Quantum Â鶹ÒùÔºics Wed, 26 Feb 2025 17:16:04 EST news659812561 Expert sommeliers can take a whiff of a glass of wine and tell you a lot about what's in your pinot noir or cabernet sauvignon. A team of physicists at CU Boulder and the National Institute of Standards and Technology (NIST) have achieved a similar feat of sensing, only for a much wider range of substances. /news/2025-02-laser-based-device-scan-sample.html Optics & Photonics Wed, 19 Feb 2025 11:00:09 EST news659180458 A Hall thruster is a high-efficiency propulsion device using plasma that is used for various difficult space missions, such as SpaceX's constellation satellites, Starlink and NASA's asteroid probe, Psyche, and is one of the core space technologies. /news/2025-02-ai-technique-hall-thruster-power.html Space Exploration Mon, 03 Feb 2025 11:48:40 EST news657805715 An international team of researchers led by the Strong Correlation Quantum Transport Laboratory of the RIKEN Center for Emergent Matter Science (CEMS) has demonstrated, in a world's first, an ideal Weyl semimetal, marking a breakthrough in a decade-old problem of quantum materials. /news/2025-01-semimetallic-weyl-quantum-crystal.html Condensed Matter Quantum Â鶹ÒùÔºics Fri, 24 Jan 2025 12:56:19 EST news656945774 Topological insulators (TIs) are among the hottest topics in condensed matter physics today. They're a bit strange: Their surfaces conduct electricity, yet their interiors do not, instead acting as insulators. Â鶹ÒùÔºicists consider TIs the materials of the future because they host fascinating new quantum phases of matter and have promising technological applications in electronics and quantum computing. Scientists are just now beginning to uncover connections between TIs and magnetism that could unlock new uses for these exotic materials. /news/2025-01-illuminating-asymmetric-gap-topological-antiferromagnet.html Condensed Matter Quantum Â鶹ÒùÔºics Tue, 21 Jan 2025 16:47:15 EST news656700425 A research team discovered a quantum state in which electrons move in a completely new way under a twisted graphene structure. The unique electronic state is expected to contribute to the development of more efficient and faster electronic devices. It may also be applicable to technologies such as quantum memory, which can process complex computations. /news/2025-01-electrons-graphene-fractional-quantum-hall.html Quantum Â鶹ÒùÔºics Tue, 21 Jan 2025 12:57:07 EST news656686619 Our data-driven world demands more—more capacity, more efficiency, more computing power. To meet society's insatiable need for electronic speed, physicists have been pushing the burgeoning field of spintronics. /news/2025-01-anomalous-hall-torque-brand-physics.html Condensed Matter Thu, 16 Jan 2025 17:33:04 EST news656271181 For the first time ever, scientists have used a technique called "quantum squeezing" to improve the gas sensing performance of devices known as optical frequency comb lasers. These ultra-precise sensors are like fingerprint scanners for molecules of gas. Scientists have used them to spot methane leaks in the air above oil and gas operations and signs of COVID-19 infections in breath samples from humans. /news/2025-01-quantum-laser-frequency-sensitive-gas.html Optics & Photonics Quantum Â鶹ÒùÔºics Thu, 16 Jan 2025 14:00:09 EST news656241721