Quantum Mechanics
Team closes in on 'holy grail' of room temperature quantum computing chips  PHYS.ORG · 8 hours
To process information, photons must interact. However, these tiny packets of light want nothing to do with each other, each passing by without altering... more
Closing in on 'holy grail' of room temperature quantum computing chips  SCIENCE DAILY · 8 hours
To process information, photons must interact. However, these tiny packets of light want nothing to do with each other, each passing by without altering the other.... more
'Poor man's qubit' can solve quantum problems without going quantum  SCIENCE DAILY · 11 hours
Researchers have built and demonstrated the first hardware for a probabilistic computer, a possible way to bridge the gap between classical and quantum computing. more
'Poor man's qubit' can solve quantum problems without going quantum  PHYS.ORG · 11 hours
It may still be decades before quantum computers are ready to solve problems that today's classical computers aren't fast or efficient enough to solve, but the emerging "probabilistic... more
Quantum physics: Simulating fundamental interactions with ultracold atoms  SCIENCE DAILY · 14 hours
Physicists succeeded in precisely engineering key ingredients to simulate a specific lattice gauge theory using ultracold atoms in optical lattices. more
Hello, world! A new approach for physics in de Sitter space  PHYS.ORG · 2 days
For decades, physicists have been attempting to reconcile quantum mechanics, the physics of the very small, with gravity, the physics of the very large. While many... more
Novel mechanism of electron scattering in graphene-like 2-D materials  PHYS.ORG · 2 days
Understanding how particles behave at the twilight zone between the macro and the quantum world gives us access to fascinating phenomena—interesting from both the fundamental and application-oriented physics perspectives. For... more
Hello, world! A new approach for physics in de sitter space  SCIENCE DAILY · 2 days
For decades, physicists have been attempting to reconcile quantum mechanics, the physics of the very small, with gravity, the physics of the very large. While many... more
New method for detecting quantum states of electrons  SCIENCE DAILY · 2 days
Researchers have devised a new method -- called image charge detection -- to detect electrons' transitions to quantum states. Electrons can serve as quantum bits, the smallest unit of quantum information; these... more
New method for detecting quantum states of electrons  PHYS.ORG · 2 days
Quantum computing harnesses enigmatic properties of small particles to process complex information. But quantum systems are fragile and error-prone, and useful quantum computers have yet to come to fruition. more
One step closer future to quantum computers  SCIENCE DAILY · 2 days
Physicists have identified how to distinguish between true and 'fake' Majorana states in one of the most commonly used experimental setups, by means of supercurrent measurements. This theoretical study is a crucial step for... more
One step closer future to quantum computers  PHYS.ORG · 2 days
Physicists at Uppsala University in Sweden have identified how to distinguish between true and 'fake' Majorana states in one of the most commonly used experimental setups, by means of supercurrent measurements. This theoretical study... more
Uncovering the hidden “noise” that can kill qubits  MIT · 3 days
New detection tool could be used to make quantum computers robust against unwanted environmental disturbances. more
Research advances noise cancelling for quantum computers  SCIENCE DAILY · 3 days
The characterization of complex noise in quantum computers is a critical step toward making the systems more precise. more
Snaphots freezing a nanoswing: Accurate position measurement overcomes thermal fluctuations  PHYS.ORG · 3 days
Physicists at AMOLF have managed to cool a swinging, nanosized string to near-zero temperature without using external refrigeration. In their experiment, the cooling is an intrinsic result of... more
Researchers advance noise cancelling for quantum computers  PHYS.ORG · 3 days
A team from Dartmouth College and MIT has designed and conducted the first lab test to successfully detect and characterize a class of complex, "non-Gaussian" noise processes that are routinely encountered in superconducting quantum... more
Flexible graphene photodetectors for wearable fitness monitoring  Science Magazine · 5 days
Wearable health and wellness trackers based on optical detection are promising candidates for public health uses due to their noninvasive tracking of vital health signs. However, so far, the use of rigid technologies hindered... more
Quantum Hall-based superconducting interference device  Science Magazine · 5 days
We present a study of a graphene-based Josephson junction with dedicated side gates carved from the same sheet of graphene as the junction itself. These side gates are highly efficient and allow us to modulate carrier density along... more
Albumin-chaperoned cyanine dye yields superbright NIR-II fluorophore with enhanced pharmacokinetics  Science Magazine · 5 days
NIR-II fluorescence imaging greatly reduces scattering coefficients for nearly all tissue types at long wavelengths, benefiting deep tissue imaging. However, most of the NIR-II fluorophores suffer from low... more
Researchers develop an optical sensor that detects very low glucose concentrations  PHYS.ORG · 6 days
The Optical Research Group of the Universitat Jaume I (GROC-UJI) has developed an optical nanoparticle sensor capable of detecting very low glucose concentrations such as those... more
Testing quantum mechanics in a non-inertial reference frame using a rotating interferometer  PHYS.ORG · 6 days
A team of researchers from the University of Glasgow and the University of Southampton has devised a novel way to test quantum mechanics in... more
Quantum computers could arrive sooner if we build them with traditional silicon technology  PHYS.ORG · 6 days
Quantum computers have the potential to revolutionize the way we solve hard computing problems, from creating advanced artificial intelligence to simulating chemical... more
New optical nanoparticle sensor can detect very low glucose concentrations  NEWS MEDICAL · 6 days
The Optical Research Group of the Universitat Jaume I has developed an optical nanoparticle sensor capable of detecting very low glucose concentrations, such as those present in a... more
Novel atomic clock design offers 'tweezer' control  SCIENCE DAILY · 6 days
Physicists have demonstrated a novel atomic clock design that combines near-continuous operation with strong signals and high stability, features not previously found together in a single type of next-generation atomic clock. The new clock,... more
An optical tweezer array of ultracold molecules  Science Magazine · 6 days
Ultracold molecules have important applications that range from quantum simulation and computation to precision measurements probing physics beyond the Standard Model. Optical tweezer arrays of laser-cooled molecules, which allow control of individual particles, offer... more
Synthesis of a copper-supported triplet nitrene complex pertinent to copper-catalyzed amination  Science Magazine · 6 days
Terminal copper-nitrenoid complexes have inspired interest in their fundamental bonding structures as well as their putative intermediacy in catalytic nitrene-transfer reactions. Here, we report that aryl... more
JILA's novel atomic clock design offers 'tweezer' control  PHYS.ORG · 6 days
JILA physicists have demonstrated a novel atomic clock design that combines near-continuous operation with strong signals and high stability, features not previously found together in a single type of next-generation atomic clock.... more
Dynamic charge density fluctuations pervading the phase diagram of a Cu-based high-Tc superconductor  PHYS.ORG · 7 days
Charge density fluctuations are observed in all families of high-critical temperature (Tc) superconducting cuprates. Although constantly found in the underdoped region of... more
Conductivity at the edges of graphene bilayers  PHYS.ORG · 1 week
The conductivity of dual layers of graphene greatly depends on the states of carbon atoms at their edges; a property which could have important implications for information transmissions on quantum scales. more
Non-Abelian Gauge Fields Directly Observed for First Time  SCI-NEWS.COM · 1 week
After decades of unsuccessful attempts, physicists have directly observed an exotic physical phenomenon called the non-Abelian Aharonov-Bohm effect. The findings... more
Introducing quantum convolutional neural networks  PHYS.ORG · 1 week
Machine learning techniques have so far proved to be very promising for the analysis of data in several fields, with many potential applications. However, researchers have found that applying these methods to quantum physics problems is far more... more
Getting a look under the hood of topological insulators  nanowerk · 1 week
Because of topological insulators' unique electronic properties and their potential use in spintronic devices and even conceivably as transistors for quantum computers, scientists are interested in investigating the special relationship... more
Scientists couple magnetization to superconductivity for quantum discoveries  SCIENCE DAILY · 2 weeks
In a recent study, scientists have created a miniaturized chip-based superconducting circuit that couples quantum waves of magnetic spins called magnons to photons of equivalent energy. more
Quantum computation with universal error mitigation on a superconducting quantum processor  Science Magazine · 2 weeks
Medium-scale quantum devices that integrate about hundreds of physical qubits are likely to be developed in the near future. However, these devices will lack the resources... more
Exotic physics phenomenon is observed for first time  SCIENCE DAILY · 2 weeks
The Aharonov-Bohm Effect, an exotic physical phenomenon, has been directly observed for the first time, following decades of attempts. The finding could lead to topological phases, and eventually to fault-tolerant quantum computers. more
Scientists couple magnetization to superconductivity for quantum discoveries  PHYS.ORG · 2 weeks
Quantum computing promises to revolutionize the ways in which scientists can process and manipulate information. The physical and material underpinnings for quantum technologies are still being explored, and researchers continue to look... more
Exotic physics phenomenon is observed for first time  MIT · 2 weeks
Observation of the non-Abelian Aharonov-Bohm Effect, predicted decades ago, may offer step toward fault-tolerant quantum computers. more
Exotic physics phenomenon is observed for first time  PHYS.ORG · 2 weeks
An exotic physical phenomenon, involving optical waves, synthetic magnetic fields, and time reversal, has been directly observed for the first time, following decades of attempts. The new finding could lead to realizations... more
Future of LEDs Gets Boost from Verification of Localization States in InGaN Quantum Wells  SCIENCE DAILY · 2 weeks
LEDs made of indium gallium nitride provide better luminescence efficiency than many of the other materials used to create blue... more
New material state: Quantum disordered liquid-like magnetic moments  SCIENCE DAILY · 2 weeks
Scientists discover a new, long-hypothesized material state with a signature of quantum disordered liquid-like magnetic moments. more
Seeking moments of disorder  nanowerk · 2 weeks
Scientists discover a new, long-hypothesized material state with a signature of quantum disordered liquid-like magnetic moments. more
Future of LEDs gets boost from verification of localization states in InGaN quantum wells  PHYS.ORG · 2 weeks
Light-emitting diodes made of indium gallium nitride provide better luminescence efficiency than many of the other materials used to create... more
Explosive fireballs: Never-before-seen insight  SCIENCE DAILY · 2 weeks
An explosion is a complex event involving quickly changing temperatures, pressures and chemical concentrations. A special type of infrared laser, known as a swept-wavelength external cavity quantum cascade laser, can be used to study explosions. This versatile instrument has a... more
A new alphabet to write and read quantum messages with very fast particles  SCIENCE DAILY · 2 weeks
Quantum information relies on the possibility of writing messages in a quantum particle and reading them out in a reliable way. If,... more
Using lasers to study explosions  PHYS.ORG · 2 weeks
An explosion is a complex event involving quickly changing temperatures, pressures and chemical concentrations. In a paper in the Journal of Applied Physics a special type of infrared laser, known as a swept-wavelength external cavity quantum cascade laser... more
Spreading light over quantum computers  SCIENCE DAILY · 2 weeks
Scientists have shown how a quantum computer really works and have managed to simulate quantum computer properties in a classical computer. more
Spreading light over quantum computers  PHYS.ORG · 2 weeks
Scientists at Linköping University have shown how a quantum computer really works and have managed to simulate quantum computer properties in a classical computer. "Our results should be highly significant in determining how to build quantum computers," says... more
A new alphabet to write and read quantum messages with very fast particles  PHYS.ORG · 2 weeks
Quantum information relies on the possibility of writing messages in a quantum particle and reading them out in a reliable way. If,... more
A method to simulate strongly correlated phases of quantum gauge theories  PHYS.ORG · 2 weeks
Quantum gauge theories are mathematical constructs that are typically used by physicists to describe subatomic particles, their associated wave fields and the interactions between them. The... more
Theoretical Physicists Describe New Kind of Quantum Time Order  SCI-NEWS.COM · 3 weeks
One of the fundamental principles of quantum mechanics is quantum superposition, in which a particle exists in two... more
Storage and release of mechanical waves without energy loss  SCIENCE DAILY · 3 weeks
A new discovery could allow light and sound waves to be stored intact for an indefinite period of time and then direct it toward a desired location on demand. Such... more
Breakthrough enables storage and release of mechanical waves without energy loss  PHYS.ORG · 3 weeks
Light and sound waves are at the basis of energy and signal transport and fundamental to some of our most basic technologies—from cell phones to engines.... more
Quantum engineering atomically smooth single-crystalline silver films  PHYS.ORG · 3 weeks
Ultra-low-loss metal films with high-quality single crystals are in demand as the perfect surface for nanophotonics and quantum information processing applications. Silver is by far the most preferred material due to low-loss at optical... more
Entanglement sent over 50 km of optical fiber  SCIENCE DAILY · 3 weeks
For the first time, a team has sent a light particle entangled with matter over 50 km of optical fiber. This paves the way for the practical use of quantum networks and... more
Entanglement sent over 50 km of optical fiber  PHYS.ORG · 3 weeks
The quantum internet promises absolutely tap-proof communication and powerful distributed sensor networks for new science and technology. However, because quantum information cannot be copied, it is not possible to send this information... more
Study shows the non-exponential decay of a giant artificial atom  PHYS.ORG · 3 weeks
To date, research in quantum optics has primarily investigated the relation between light and matter using small atoms interacting with electromagnetic fields that have substantially larger wavelengths. In... more
Break in temporal symmetry produces molecules that can encode information  PHYS.ORG · 3 weeks
In a study published in Scientific Reports, a group of researchers affiliated with São Paulo State University (UNESP) in Brazil describes an important theoretical finding that may contribute... more
In a Quantum Future, Which Starship Destroys The Other?  ASTRO WATCH · 3 weeks
Quantum mechanics boasts all sorts of strange features, one being quantum superposition – the peculiar circumstance in which... more
Biological risk potential of graphene quantum dots studied  nanowerk · 3 weeks
Researchers examined whether these particles are potentially dangerous for the organism and how cells cope with them once they have been incorporated. more
Quantum criticality could be a boon for qubit designers  SCIENCE DAILY · 3 weeks
Physicists studying the strange behavior of metal alloys called heavy fermions have made a surprising discovery that could be useful in safeguarding the information stored in quantum bits, or qubits,... more
Universal algorithm set to boost microscopes  PHYS.ORG · 3 weeks
Thanks to the advent of super-resolution microscopes some 30 years ago, scientists can observe subcellular structures, proteins and living tissue with unprecedented precision. These microscopes operate by measuring the fluorescent light that some compounds emit naturally... more
Quantum criticality could be a boon for qubit designers  PHYS.ORG · 3 weeks
Physicists studying the strange behavior of metal alloys called heavy fermions have made a surprising discovery that could be useful in safeguarding the information stored in quantum bits, or qubits,... more
New theory draws connections between Planckian metals and black holes  PHYS.ORG · 3 weeks
Two researchers at Harvard University, Aavishkar A. Patel and Subir Sachdev, have recently presented a new theory of a Planckian metal that could shed light on previously unknown... more
Researchers develop practical method for measuring quantum entanglement  PHYS.ORG · 3 weeks
Rochester Institute of Technology researchers have helped develop a new technique for quantifying entanglement that has major implications for developing the next generation of technology in computing, simulation, secure communication and other... more
Light-matter interaction without interference  SCIENCE DAILY · 4 weeks
Quantum dots might constitute the foundation of quantum communication. They are an efficient interface between matter and light, with photons emitted by the quantum dots transporting information across large distances. However, structures form by default during the manufacture of quantum... more
In a quantum future, which starship destroys the other?  SCIENCE DAILY · 4 weeks
Quantum mechanics boasts all sorts of strange features, one being quantum superposition -- the peculiar circumstance in which particles seem to be in two or more places or states at... more
Cracking a decades-old test, researchers bolster case for quantum mechanics  SCIENCE DAILY · 4 weeks
Researchers have developed creative tactics to get rid of loopholes that have long confounded tests of quantum mechanics. With their innovative method, the researchers were able to demonstrate... more
Detraction-free light-matter interaction  PHYS.ORG · 4 weeks
An efficient light-matter interface might constitute the foundation of quantum communication. However, certain structures that are formed during the growth process interfere with the signal. more
Complex quantum teleportation achieved for the first time  PHYS.ORG · 4 weeks
Austrian and Chinese scientists have succeeded in teleporting three-dimensional quantum states for the first time. High-dimensional teleportation could play an important role in future quantum computers. more
Cracking a decades-old test, researchers bolster case for quantum mechanics  PHYS.ORG · 4 weeks
In a new study, researchers demonstrate creative tactics to get rid of loopholes that have long confounded tests of quantum mechanics. With their innovative method, the researchers were... more
Researchers get first microscopic look at a tiny phenomenon with big potential implications  PHYS.ORG · 4 weeks
Matter behaves differently when it's tiny. At the nanoscale, electric current cuts through mountains of particles, spinning them into vortexes that can... more
Switching electron properties on and off individually  SCIENCE DAILY · 4 weeks
Electrons have different properties - and they all can be used to create order in solid objects. This order determines the properties of the material. Experiments now show: It is possible to influence different... more
Quantum gravity's tangled time  SCIENCE DAILY · 4 weeks
The theories of quantum mechanics and gravity are notorious for being incompatible, despite the efforts of scores of physicists over the past fifty years. However, physicists have now combined the key elements of the two theories describing the flow of... more
First microscopic look at a tiny phenomenon with big potential implications  SCIENCE DAILY · 4 weeks
Matter behaves differently when it's tiny. At the nanoscale, electric current cuts through mountains of particles, spinning them into vortexes that can be used intentionally in... more
Generation of light in a photon-number quantum superposition  PHYS.ORG · 4 weeks
Physicists at C2N have demonstrated for the first time the direct generation of light in a state that is simultaneously a single photon, two photons, and no photon at all. They showed... more
Quantum computers to become portable  PHYS.ORG · 4 weeks
Together with the University of Innsbruck, the ETH Zurich and Interactive Fully Electrical Vehicles SRL, Infineon Austria is researching specific questions on the commercial use of quantum computers. With new innovations in design and manufacturing, the partners from... more
Quantum gravity's tangled time  PHYS.ORG · 4 weeks
The theories of quantum mechanics and gravity are notorious for being incompatible, despite the efforts of scores of physicists over the past fifty years. However, recently an international team of researchers led by physicists from the University of Vienna, the... more
Studying quantum phenomena in magnetic systems to understand exotic states of matter  PHYS.ORG · 4 weeks
Besides solids, liquids and gases, more exotic states of matter can be generated in specific materials under special conditions. Such states are of great... more
Cryptographers scramble to protect the internet from attackers armed with quantum computers  Science Magazine · 4 weeks
Such machines may be decades away, but the United States is pushing now for encryption method that they can’t crack more
Studying quantum phenomena in magnetic systems to understand exotic states of matter  SCIENCE DAILY · 4 weeks
Scientists unify condensed matter physics and quantum physics by experimentally characterizing magnetism-related quantum phenomena in Ba2CoSi2O6Cl2. more
Cryptographers scramble to protect the internet from hackers with quantum computers  Science Magazine · 4 weeks
Such machines may be decades away, but the United States is pushing now for encryption method that they can’t crack more
Practical anonymous communication protocol developed for quantum networks  PHYS.ORG · 4 weeks
The ability to securely transmit information over the internet is extremely important, but most of the time, eavesdroppers can still generally determine who the sender and receiver are. In some highly confidential... more
World's first link layer protocol brings quantum internet closer to a reality  PHYS.ORG · 4 weeks
Researchers from QuTech have achieved a world's first in quantum internet technology. A team led by Professor Stephanie Wehner has developed a so-called link... more
Physicists use light flashes to discover, control new quantum states of matter  SCIENCE DAILY · 4 weeks
Scientists are developing new tools and techniques to access new states of matter hidden within superconducting and other complex materials. Harnessing these exotic states... more
Black hole holograms  SCIENCE DAILY · 4 weeks
Researchers show how a holographic tabletop experiment can be used to simulate the physics of a black hole. This work may lead the way to a more complete theory of quantum gravity that harmonizes quantum mechanics and relativity. more
Black hole holograms  nanowerk · 4 weeks
Researchers propose a new holographic method to simulate black holes with a tabletop experiment. This work may be crucial for solving one of the biggest mysteries in science -- reconciling quantum mechanics and general relativity. more
Toward an 'orrery' for quantum gauge theory  PHYS.ORG · 4 weeks
Physicists at ETH Zurich have developed a new approach to couple quantized gauge fields to ultracold matter. The method might be the basis for a versatile platform to tackle problems ranging from condensed-matter to... more
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