Quantum Mechanics
New method predicts spin dynamics of materials for quantum computing  PHYS.ORG · 3 hours
Researchers at UC Santa Cruz have developed a theoretical foundation and new computational tools for predicting a material's spin dynamics, a key property for building solid-state quantum computing... more
Discoveries of high-Chern-number and high-temperature Chern insulator states  PHYS.ORG · 19 hours
The Quantum Hall effect (QHE) is one of the most important discoveries in physical sciences. Due to the one-dimensional (1-D) dissipationless edge states, QHE exhibits exotic transport properties with quantized Hall resistance... more
Extraordinary modulation of light polarization with dark plasmons in magnetoplasmonic nanocavities  PHYS.ORG · 22 hours
Nanophotonics uses light polarization as an information carrier in optical communications, sensing, and imaging. Likewise, the state of polarization of light plays a key role in... more
Light for lithography could pass printed fibers  PHYS.ORG · 22 hours
University of Utah researchers have developed a printed fiber-based light modulating system that combines polymer printing and quantum wave optics, providing a new lithography platform. more
Connecting the quantum internet  PHYS.ORG · 23 hours
Researchers at the Kastler Brossel Laboratory in Paris have succeeded in implementing a novel "hybrid" entanglement swapping protocol, bringing within reach the connection of disparate platforms in a future, heterogeneously structured, quantum internet. more
New OIDA report says photonics engineering is needed to commercialize quantum technology  PHYS.ORG · 1 day
Quantum technologies are expected to have major impacts in markets ranging from telecom and medicine to finance but advances in product engineering are necessary... more
Researchers develop a first-principles quantum Monte Carlo package called TurboRVB  PHYS.ORG · 1 day
First-principles quantum Monte Carlo is a framework used to tackle the solution of the many-body Schrödinger equation by means of a stochastic approach. This framework is expected to... more
Joined nano-triangles pave the way to magnetic carbon materials  nanowerk · 1 day
Graphene triangles with an edge length of only a few atoms behave like peculiar quantum magnets. When two of these nano-triangles are joined, a 'quantum entanglement' of their magnetic moments... more
Theoretical breakthrough shows quantum fluids rotate by corkscrew mechanism  SCIENCE DAILY · 2 days
Scientists performed simulations of merging rotating superfluids, revealing a peculiar corkscrew-shaped mechanism that drives the fluids into rotation without the need for viscosity. more
Theoretical breakthrough shows quantum fluids rotate by corkscrew mechanism  PHYS.ORG · 2 days
If a drop of creamer falls from a spoon into a swirling cup of coffee, the whirlpool drags the drop into rotation. But what would happen if the coffee had... more
Particles trapped in twisted materials and quantum fingerprints identified  PHYS.ORG · 2 days
A paper by the Quantum Photonics Lab at Heriot-Watt, published today in top-tier Nature Materials, identifies how to trap interlayer excitons (IXs) and their quantum fingerprints. The IXs are trapped... more
Connecting heterogeneous quantum networks by hybrid entanglement swapping  Science Magazine · 5 days
Recent advances in quantum technologies are rapidly stimulating the building of quantum networks. With the parallel development of multiple physical platforms and different types of encodings, a challenge for present and future... more
Self-induced spin glass state in elemental and crystalline neodymium  Science Magazine · 6 days
Spin glasses are a highly complex magnetic state of matter intricately linked to spin frustration and structural disorder. They exhibit no long-range order and exude aging phenomena, distinguishing them from... more
Convenient location of a near-threshold proton-emitting resonance in boron-11  PHYS.ORG · 6 days
Polish scientists working in Poland, France and the USA explained the mysterious β-delayed proton decay of the neutron halo ground state of 11Be. Studies within the SMEC model suggest the... more
Australia, you have unfinished business. It's time to let our 'fire people' care for this land  PHYS.ORG · 6 days
Since last summer's bushfire crisis, there's been a quantum shift in public awareness of Aboriginal fire... more
A new scheme for satellite-based quantum-secure time transfer  PHYS.ORG · 7 days
Researchers at the University of Science and Technology of China have recently introduced a new satellite-based quantum-secure time transfer (QSTT) protocol that could enable more secure communications between different satellites or other... more
New type of coupled electronic-structural waves discovered in magnetite  PHYS.ORG · 1 week
An international team of scientists uncovered exotic quantum properties hidden in magnetite, the oldest magnetic material known to mankind. The study reveals the existence of low-energy waves that indicate the... more
Like Moses parting the sea: spontaneous segregation of a superconducting quantum fluid revealed  nanowerk · 1 week
More than 25 years since the discovery of superconductivity in strontium ruthanate (SRO), understanding the properties of this material remains as challenging... more
Quantum simulators for gauge theories  PHYS.ORG · 1 week
To simulate in a laboratory what happens in particle accelerators has been an ambitious goal in the study of the fundamental forces of nature pursued by high-energy physicists for many years. Now, thanks to research conducted by the... more
A nice day for a quantum walk  PHYS.ORG · 1 week
Researchers at the Center for Quantum Information and Quantum Biology at Osaka University used trapped ions to demonstrate the spreading of vibrational quanta as part of a quantum random walk. This work relies on... more
Physicist creates fifth state of matter from the living room  PHYS.ORG · 1 week
A physicist has created the fifth state of matter working from home using quantum technology. more
Nanoscale optical pulse limiter facilitated by refractory metallic quantum wells  PHYS.ORG · 1 week
In the past several decades, physicists have conducted deep laboratory investigations into nonlinear optics, plasma physics and quantum science using advanced high-intensity, ultrashort-pulse lasers. Increased use of the... more
Scientists solve half-century-old magnesium dimer mystery  PHYS.ORG · 2 weeks
Magnesium dimer (Mg2) is a fragile molecule consisting of two weakly interacting atoms held together by the laws of quantum mechanics. It has recently emerged as a potential probe for understanding fundamental phenomena at the intersection... more
A stitch in time: How a quantum physicist invented new code from old tricks  SCIENCE DAILY · 2 weeks
Building large-scale quantum computers will require suppression of errors. Scientists have used a neat trick to apply powerful 3D error-suppression... more
A stitch in time: How a quantum physicist invented new code from old tricks  PHYS.ORG · 2 weeks
A scientist at the University of Sydney has achieved what one quantum industry insider has described as "something that many... more
A fault-tolerant non-Clifford gate for the surface code in two dimensions  Science Magazine · 2 weeks
Fault-tolerant logic gates will consume a large proportion of the resources of a two-dimensional quantum computing architecture. Here we show how to perform a fault-tolerant non-Clifford... more
Oriented hexagonal boron nitride foster new type of information carrier  PHYS.ORG · 2 weeks
Today's computers use the presence or absence of charge (0s and 1s) to encode information, where the physical motion of charges consume energy and cause heat. A novel... more
Oriented hexagonal boron nitride foster new type of information carrier  nanowerk · 2 weeks
A novel alternative to current computers is to utilize the wave quantum number of the electrons by which the information encoding is possible without physically moving the carriers.... more
Laser cooling a nanomechanical oscillator close to its ground state  PHYS.ORG · 2 weeks
Researchers at the Swiss Federal Institute of Technology Lausanne (EPFL) and IBM Research Europe recently demonstrated the laser cooling of a nanomechanical oscillator down to its zero-point energy... more
'One-way' electronic devices enter the mainstream  nanowerk · 2 weeks
Engineers build high-performance non-reciprocal devices on a compact chip, paving the way for applications from two-way wireless to quantum computing. more
Quantum leap: Photon discovery is a major step toward at-scale quantum technologies  SCIENCE DAILY · 2 weeks
A team of physicists has developed the first integrated photon source with the potential to deliver large-scale quantum photonics. The development of quantum technologies... more
Mammoths, mastodons and the fruit they left behind at Fermilab  PHYS.ORG · 2 weeks
Scientists at the Department of Energy's Fermi National Accelerator Laboratory are constantly pushing at the boundaries of the unknown in their attempt to understand the origin and physical... more
Chemiluminescence resonance energy transfer-based nanoparticles for quantum yield-enhanced cancer phototheranostics  Science Magazine · 2 weeks
Chemiluminescence (CL) has recently gained attention for CL resonance energy transfer (CRET)–mediated photodynamic therapy of cancer. However, the short duration of the CL signal and low quantum yield... more
Team builds hybrid quantum system by entangling molecule with atom  SCIENCE DAILY · 2 weeks
Physicists have boosted their control of the fundamental properties of molecules at the quantum level by linking or 'entangling' an electrically charged atom and an electrically charged molecule,... more
Attosecond physics: Quantum brakes in molecules  SCIENCE DAILY · 2 weeks
Physicists have measured the flight times of electrons emitted from a specific atom in a molecule upon excitation with laser light. This has enabled them to measure the influence of the molecule itself on the kinetics... more
Photon discovery is a major step toward large-scale quantum technologies  PHYS.ORG · 2 weeks
A team of physicists at the University of Bristol has developed the first integrated photon source with the potential to deliver large-scale quantum photonics. more
Researchers build hybrid quantum system by entangling molecule with atom  PHYS.ORG · 2 weeks
Physicists at the National Institute of Standards and Technology have boosted their control of the fundamental properties of molecules at the quantum level by linking or "entangling" an... more
Attosecond physics: Quantum brakes in molecules  nanowerk · 2 weeks
Physicists measured the flight times of electrons emitted from a specific atom in a molecule upon excitation with laser light. This has enabled them to measure the influence of the molecule itself on the kinetics of... more
Scientists use light to accelerate supercurrents, access forbidden light, quantum world  nanowerk · 2 weeks
Scientists are using light waves to accelerate supercurrents and access the unique properties of the quantum world, including forbidden light emissions that one day could be... more
Scientists use pressure to make liquid magnetism breakthrough  SCIENCE DAILY · 2 weeks
Scientists have forced a solid magnetic metal into a spin liquid state, which may lead to insights into superconductivity and quantum computing. more
Scientists use light to accelerate supercurrents, access forbidden light, quantum world  SCIENCE DAILY · 2 weeks
Scientists are using light waves to accelerate supercurrents to access the unique and potentially useful properties of the quantum world. more
Scientists use light to accelerate supercurrents, access forbidden light, quantum world  PHYS.ORG · 2 weeks
Scientists are using light waves to accelerate supercurrents and access the unique properties of the quantum world, including forbidden light emissions that one day could be... more
Detecting individual nuclear spins with single rare-earth ions hosted in crystals  PHYS.ORG · 2 weeks
Rare-earth minerals are a class of materials with similar properties that are currently used to build a variety of devices, including LEDs, rechargeable batteries, magnets, lasers,... more
Detecting individual nuclear spins in single rare-earth ions hosted in crystals  PHYS.ORG · 2 weeks
Rare-earth minerals are a class of materials with similar properties that are currently used to build a variety of devices, including LEDs, rechargeable batteries, magnets, lasers,... more
Superconductors with 'zeitgeist' -- When materials differentiate between past and future  SCIENCE DAILY · 2 weeks
Physicists have discovered spontaneous static magnetic fields with broken time-reversal symmetry in a class of iron-based superconductors. This exceptional property calls for new theoretical models and... more
Researchers propose a perfect novel optical vortex with controllable impulse ring profile  PHYS.ORG · 2 weeks
An optical vortex is identified as a phase singularity encircled with helical wavefront, and thanks to its unique properties, including carried orbital angular momentum... more
New setup for high-throughput electrical measurements of quantum materials and devices  PHYS.ORG · 2 weeks
QuTech, a collaboration between TU Delft and TNO, has demonstrated a novel setup for fast turnaround testing and validation of quantum materials and devices. The setup... more
Efficient, 'green' quantum-dot solar cells exploit defects  SCIENCE DAILY · 2 weeks
Novel quantum dot solar cells match the efficiency of existing quantum-dot based devices, but without lead or other toxic elements that most solar cells of this type rely on. more
Quantum Hall effect 'reincarnated' in 3D topological materials  SCIENCE DAILY · 2 weeks
Physicists have found surprising evidence of a link between the 2D quantum Hall effect and 3D topological materials that could be used in quantum computing. more
Quantum hall effect 'reincarnated' in 3-D topological materials  PHYS.ORG · 2 weeks
U.S. and German physicists have found surprising evidence that one of the most famous phenomena in modern physics—the quantum Hall effect—is "reincarnated" in topological superconductors that could be used to build fault-tolerant... more
Superconductors with 'zeitgeist' – when materials differentiate between the past and the future  PHYS.ORG · 2 weeks
Physicists at TU Dresden have discovered spontaneous static magnetic fields with broken time-reversal symmetry in a class of iron-based superconductors. This exceptional... more
Physicists develop world's best quantum bits  PHYS.ORG · 2 weeks
A team of researchers at UCLA has set a new record for preparing and measuring the quantum bits, or qubits, inside of a quantum computer without error. The techniques they have developed make it easier to... more
Observing the path less traveled boosts quantum gain  PHYS.ORG · 2 weeks
When probing the subtle effects of quantum mechanics, all the parameters in the system and its measurements need to be finely tuned to observe the result you are hoping for. So what... more
Scientists break the link between a quantum material's spin and orbital states  nanowerk · 3 weeks
The advance opens a path toward a new generation of logic and memory devices based on orbitronics that could be 10,000 times faster than... more
Scientists break the link between a quantum material's spin and orbital states  SCIENCE DAILY · 3 weeks
Until now, electron spins and orbitals were thought to go hand in hand in a class of materials that's the cornerstone of modern information... more
Scientists break the link between a quantum material's spin and orbital states  PHYS.ORG · 3 weeks
In designing electronic devices, scientists look for ways to manipulate and control three basic properties of electrons: their charge; their spin states, which give... more
A hydrodynamic analog of Friedel oscillations  Science Magazine · 3 weeks
We present a macroscopic analog of an open quantum system, achieved with a classical pilot-wave system. Friedel oscillations are the angstrom-scale statistical signature of an impurity on a metal surface, concentric circular modulations in the probability... more
Nanoscale optical pulse limiter enabled by refractory metallic quantum wells  Science Magazine · 3 weeks
The past several decades have witnessed rapid development of high-intensity, ultrashort pulse lasers, enabling deeper laboratory investigation of nonlinear optics, plasma physics, and quantum science and technology than... more
'Hot and messy' entanglement of 15 trillion atoms  PHYS.ORG · 3 weeks
Quantum entanglement is a process by which microscopic objects like electrons or atoms lose their individuality to become better coordinated with each other. Entanglement is at the heart of quantum technologies that... more
Researchers identify new breast cancer gene in young women  NEWS MEDICAL · 3 weeks
Over the past 20 years, our knowledge of hereditary diseases has taken a quantum leap, and several hereditary gene variants have been found that may predispose to the development of... more
Making quantum 'waves' in ultrathin materials  PHYS.ORG · 3 weeks
Wavelike, collective oscillations of electrons known as "plasmons" are very important for determining the optical and electronic properties of metals. more
Making quantum 'waves' in ultrathin materials  SCIENCE DAILY · 3 weeks
A team of researchers has observed unusually long-lived wavelike electrons called 'plasmons' in a new class of electronically conducting material. Plasmons are very important for determining the optical and electronic properties of metals for the development... more
Atomically thin magnets for next generation spin and quantum electronics  nanowerk · 3 weeks
Researchers develop a ferromagnetic semiconductor that works at room temperature, solving one of science's most intractable problems. more
Atomically thin magnets for next generation spin and quantum electronics  PHYS.ORG · 3 weeks
As our smartphones, laptops, and computers get smaller and faster, so do the transistors inside them that control the flow of electricity and store information. But traditional transistors... more
Unique polymer-based fabrication process for low-cost, higher yield reprogrammable photonic integrated circuits  PHYS.ORG · 3 weeks
The future looks bright for photonic integrated circuits (PICs) as they look destined for use in quantum computing and deep learning technologies. As PICs... more
Splitting quasiparticles with temperature: The fate of an impurity in a Bose-Einstein condensate  PHYS.ORG · 3 weeks
A new theoretical study at Monash University has improved our understanding of the interplay between quantum and thermal fluctuations (or excitations) in... more
Scientists find another clue to explain unconventional superconductivity  PHYS.ORG · 3 weeks
Physicists at the U.S. Department of Energy's Ames Laboratory have successfully performed measurements of an iron-based superconductor in an important but difficult-to-reach regime where critical quantum fluctuations dominate the physics. Using a... more
Researchers Create Prototype of Microwave Quantum Radar  SCI-NEWS.COM · 3 weeks
A team of researchers from Austria, the U.S., the UK, and Italy has demonstrated a new technology called microwave quantum illumination that... more
ORNL, LANL-developed quantum technologies go the distance  PHYS.ORG · 3 weeks
For the second year in a row, a team from the Department of Energy's Oak Ridge and Los Alamos national laboratories led a demonstration hosted by EPB, a community-based utility and telecommunications company serving... more
Filming quantic measurement for the first time  PHYS.ORG · 3 weeks
Quantum physics deals with microscopic systems such as atoms and light particles. It is a theory that makes it possible to calculate the probabilities of the possible results of any measurement taken on these... more
Machine learning cracks quantum chemistry conundrum  PHYS.ORG · 3 weeks
A new machine learning tool can calculate the energy required to make—or break—a molecule with higher accuracy than conventional methods. While the tool can currently only handle simple molecules, it paves the way for future insights... more
Quantum brakes in molecules  PHYS.ORG · 3 weeks
Physicists have measured the flight times of electrons emitted from a specific atom in a molecule upon excitation with laser light. This has enabled them to measure the influence of the molecule itself on the kinetics of emission. more
The observation of photon-assisted tunneling signatures in Majorana wires  PHYS.ORG · 3 weeks
Researchers at the University of Copenhagen and Microsoft Quantum Lab Copenhagen have recently carried out a study investigating the potential of Majorana zero modes, zero-energy quasiparticle states that can be... more
Stresses and flows in ultra-cold superfluids  PHYS.ORG · 3 weeks
Superfluids, which form only at temperatures close to absolute zero, have unique and in some ways bizarre mechanical properties. Yvan Buggy of the Institute of Photonics and Quantum Sciences at Heriot-Watt University in Edinburgh, Scotland, and... more
Future information technologies: 3-D quantum spin liquid revealed  PHYS.ORG · 3 weeks
Quantum spin liquids are candidates for potential use in future information technologies. So far, quantum spin liquids have usually only been found in one or two dimensional magnetic systems only. Now an... more
Future information technologies: 3D quantum spin liquid revealed  SCIENCE DAILY · 3 weeks
Quantum spin liquids are candidates for potential use in future information technologies. So far, quantum spin liquids have usually only been found in one or two dimensional magnetic systems only. Now an... more
Future information technologies: 3D Quantum spin liquid revealed  nanowerk · 3 weeks
So far, quantum spin liquids have usually only been found in one or two dimensional magnetic systems. Now scientists have found spin liquid behaviour in 3D, due to a so called hyper... more
Scientists generate multicolor concentric annular ultrafast vector beams  PHYS.ORG · 3 weeks
Ultrafast vector beams have wide applications in photochemistry, biology and physics. They can be used in pump-probe experiments, high-resolution imaging, manipulating microparticles, classical optical communications and quantum optical communications. more
Nanoparticles with quantum dots for restoring monuments  PHYS.ORG · 3 weeks
The fluorescence emitted by zinc oxide quantum dots can be used to determine the penetration depth of certain substances used in the restoration of historical buildings. Researchers from Pablo de Olavide University (Spain) have... more
Scientists create new recipe for single-atom transistors  nanowerk · 3 weeks
Linking multiple copies of these devices may lay the foundation for quantum computing. more
Scientists demonstrate quantum radar prototype  PHYS.ORG · 4 weeks
Physicists at the Institute of Science and Technology Austria (IST Austria) have invented a new radar prototype that uses quantum entanglement as a method of object detection. This successful integration of quantum mechanics into devices could significantly impact... more
Nanoscale strain engineering of giant pseudo-magnetic fields, valley polarization, and topological channels in graphene  Science Magazine · 4 weeks
The existence of nontrivial Berry phases associated with two inequivalent valleys in graphene provides interesting opportunities for investigating the valley-projected... more
Microwave quantum illumination using a digital receiver  Science Magazine · 4 weeks
Quantum illumination uses entangled signal-idler photon pairs to boost the detection efficiency of low-reflectivity objects in environments with bright thermal noise. Its advantage is particularly evident at low signal powers, a promising feature for... more
Nanoparticles doped with quantum dots for restoring monuments  nanowerk · 4 weeks
The fluorescence emitted by tiny zinc oxide quantum dots can be used to determine the penetration depth of certain substances used in the restoration of historical buildings. more
Controlling quantumness: Simulations reveal details about how particles interact  SCIENCE DAILY · 4 weeks
A recent study has described new states that can be found in super-cold atom experiments, which could have applications for quantum technology. more
Scientists measure electrical conductivity of pure interfacial water  PHYS.ORG · 4 weeks
Skoltech scientists in collaboration with researchers from the University of Stuttgart, the Karlsruhe Institute of Technology and the Russian Quantum Center have achieved the first systematic experimental measurements of the electrical conductivity... more
Researchers map tiny twists in 'magic-angle' graphene  nanowerk · 4 weeks
Results could help designers engineer high-temperature superconductors and quantum computing devices. more
Researchers map tiny twists in “magic-angle” graphene  MIT · 4 weeks
Results could help designers engineer high-temperature superconductors and quantum computing devices. more
Laser loop couples quantum systems over a distance  SCIENCE DAILY · 4 weeks
For the first time, researchers have succeeded in creating strong coupling between quantum systems over a greater distance. They accomplished this with a novel method in which a laser loop connects the... more
Physicists shed light on the nanoscale dynamics of spin thermalization  SCIENCE DAILY · 4 weeks
In physics, thermalization, or the trend of sub-systems within a whole to gain a common temperature, is typically the norm. There are situations, however, where thermalization is slowed... more
Light-mediated strong coupling between a mechanical oscillator and atomic spins 1 meter apart  Science Magazine · 4 weeks
Engineering strong interactions between quantum systems is essential for many phenomena of quantum physics and technology. Typically, strong coupling relies on short-range... more
Imaging the onset of the resonance regime in low-energy NO-He collisions  Science Magazine · 4 weeks
At low energies, the quantum wave–like nature of molecular interactions results in distinctive scattering behavior, ranging from the universal Wigner laws near 0 kelvin to the... more
Quantum resonances near absolute zero  PHYS.ORG · 4 weeks
Recently, Prof. Yang Xueming from the Dalian Institute of Chemical Physics of the Chinese Academy of Sciences and Prof. Yang Tiangang from the Southern University of Science and Technology discussed significant advances in the study of quantum resonances... more
Laser loop couples quantum systems over a distance  PHYS.ORG · 4 weeks
For the first time, researchers have succeeded in creating strong coupling between quantum systems over a great distance. They accomplished this with a novel method in which a laser loop connects the... more
Quantum jump tipping the balance  SCIENCE DAILY · 4 weeks
Measuring tiny differences in mass between different quantum states provides new insights into heavy atoms. more
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Theoretical breakthrough shows quantum fluids rotate by corkscrew mechanism
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