Quantum Mechanics
Artificial intelligence algorithm can learn the laws of quantum mechanics  SCIENCE DAILY · 9 hours
Artificial intelligence can be used to predict molecular wave functions and the electronic properties of molecules. This innovative AI method could be used to speed-up the design of... more
Nanooptical traps: A promising building block for quantum technologies  PHYS.ORG · 11 hours
Nanooptical traps are a promising building block for quantum technologies. Austrian and German scientists have now removed an important obstacle to their practical use. They were able to show that... more
Atoms don't like jumping rope  nanowerk · 15 hours
Nanooptical traps are a promising building block for quantum technologies. Scientists have now removed an important obstacle to their practical use. They were able to show that a special form of mechanical vibration heats trapped particles in a... more
Quantum light improves sensitivity of biological measurements  PHYS.ORG · 1 day
In a new study, researchers showed that quantum light can be used to track enzyme reactions in real time. The work brings together quantum physics and biology in an important step toward the development... more
Quantum light improves sensitivity of biological measurements  SCIENCE DAILY · 1 day
In a new study, researchers showed that quantum light can be used to track enzyme reactions in real time. The work brings together quantum physics and biology in an important step toward the development... more
Quantum computers learn to mark their own work  SCIENCE DAILY · 1 day
A new test to check if a quantum computer is giving correct answers to questions beyond the scope of traditional computing could help the first quantum computer that can outperform a classical... more
Tuning quantum materials with hydrogen gas  PHYS.ORG · 1 day
Researchers at TU Delft have discovered a method to stretch and compress quantum materials using hydrogen gas. They demonstrated this effect using a tiny string of a material called tungsten trioxide, which acts as a sponge... more
Quantum computers learn to mark their own work  PHYS.ORG · 1 day
A new test to check if a quantum computer is giving correct answers to questions beyond the scope of traditional computing could help the first quantum computer that can outperform a classical... more
Objective Reality Doesn't Exist, Quantum Experiment Shows  LIVE SCIENCE · 3 days
A quantum experiment raises deeply philosophical questions about the fundamental nature of reality. more
Natural van der Waals heterostructural single crystals with both magnetic and topological properties  Science Magazine · 4 days
Heterostructures having both magnetism and topology are promising materials for the realization of exotic topological quantum states while challenging in synthesis and... more
Physicists irreversibly split photons by freezing them in Bose-Einstein condensate  SCIENCE DAILY · 5 days
Light can be directed in different directions, usually also back the same way. Physicists have however succeeded in creating a new one-way street for light. They cool photons... more
Intermediate bosonic metallic state in the superconductor-insulator transition  Science Magazine · 5 days
Whether a metallic ground state exists in a two-dimensional system beyond Anderson localization remains an unresolved question. Here, we study how quantum phase coherence evolves across superconductor-metal-insulator transitions via magneto-conductance quantum oscillations... more
Attosecond coherent manipulation of electrons in tunneling microscopy  Science Magazine · 5 days
Nanoelectronic devices operating in the quantum regime require coherent manipulation and control over electrons at atomic length and time scales. We demonstrate coherent control over electrons in a tunnel junction of a... more
Thermally condensing photons into a coherently split state of light  Science Magazine · 5 days
The quantum state of light plays a crucial role in a wide range of fields, from quantum information science to precision measurements. Whereas complex quantum states can be... more
Widely tunable compact terahertz gas lasers  Science Magazine · 5 days
The terahertz region of the electromagnetic spectrum has been the least utilized owing to inadequacies of available sources. We introduce a compact, widely frequency-tunable, extremely bright source of terahertz radiation: a gas-phase molecular laser based on... more
Physicists irreversibly split photons by freezing them in a Bose-Einstein condensate  PHYS.ORG · 5 days
Light can be directed in different directions, usually also back the same way. Physicists from the University of Bonn and the University of Cologne have, however,... more
Quantum physics: Our study suggests objective reality doesn't exist  PHYS.ORG · 5 days
Alternative facts are spreading like a virus across society. Now it seems they have even infected science—at least the quantum realm. This may seem counter intuitive. The scientific method is... more
Quantum transition makes electrons behave as if they lack spin  PHYS.ORG · 6 days
The common phase transitions are those that occur as a function of temperature variation. Ice changes phase to become liquid water at 0 degrees Celsius. Liquid water changes... more
Rational transparent conductor design provides a boost to carbon nanotubes application  PHYS.ORG · 6 days
An international team of scientists led by researchers from the Laboratory of Nanomaterials at the Skoltech Center for Photonics and Quantum Materials (CPQM) has rationally designed... more
Mathematicians prove the Hardy-Littlewood-Sobolev inequalities  PHYS.ORG · 1 week
RUDN University mathematicians have proven the Hardy-Littlewood-Sobolev (HLS) inequalities for the class of generalized Riesz potentials. These results extend the scope of these potentials in mathematics and physics because the main tools for working with such potentials are... more
A distinct spin on atomic transport  PHYS.ORG · 1 week
One of the more unexpected things that can be done with charge-neutral atoms is using them to emulate the fundamental behavior of electrons. Over the past few years, the group of Tilman Esslinger at the Institute... more
Room temperature strain-induced Landau levels in graphene on a wafer-scale platform  Science Magazine · 2 weeks
Graphene is a powerful playground for studying a plethora of quantum phenomena. One of the remarkable properties of graphene arises when it is strained in particular... more
A new quantum data classification protocol brings us nearer to a future 'quantum internet'  PHYS.ORG · 2 weeks
Quantum-based communication and computation technologies promise unprecedented applications, such as unconditionally secure communications, ultra-precise sensors, and quantum computers capable of... more
New research synthesizes different aspects of causality in quantum field theory  PHYS.ORG · 2 weeks
In current quantum field theory, causality is typically defined by the vanishing of field commutators for spacelike separations. Two researchers at the University of Massachusetts and... more
Engineering spin-orbit synthetic Hamiltonians in liquid-crystal optical cavities  Science Magazine · 2 weeks
Spin-orbit interactions lead to distinctive functionalities in photonic systems. They exploit the analogy between the quantum mechanical description of a complex electronic spin-orbit system and synthetic Hamiltonians derived for the propagation of... more
Physicists Can Finally Peek at Schrödinger's Cat Without Killing It Forever  LIVE SCIENCE · 2 weeks
There may be a way of sneaking a peak at Schrödinger's cat — the famous feline-based thought experiment that describes the mysterious behavior of subatomic particles... more
Black holes sometimes behave like conventional quantum systems  PHYS.ORG · 2 weeks
A group of Skoltech researchers led by Professor Anatoly Dymarsky have studied the emergence of generalized thermal ensembles in quantum systems with additional symmetries. As a result they found that black holes... more
Ultrafast quantum motion in a nanoscale trap detected  SCIENCE DAILY · 2 weeks
Researchers have reported the detection of a picosecond electron motion in a silicon transistor. This study has presented a new protocol for measuring ultrafast electronic dynamics in an effective time-resolved fashion of... more
Black holes sometimes behave like conventional quantum systems  nanowerk · 2 weeks
Astronomers have studied the emergence of generalized thermal ensembles in quantum systems with additional symmetries. As a result they found that black holes thermalize the same way ordinary matter does. more
Study observes anomalous decay of coherence in a dissipative many-body system  PHYS.ORG · 2 weeks
In quantum physics, some of the most interesting effects are the result of interferences. Decoherence, or loss of coherence, occurs when a quantum system eventually loses... more
Ultrafast quantum motion in a nanoscale trap detected  PHYS.ORG · 2 weeks
KAIST researchers have reported the detection of a picosecond electron motion in a silicon transistor. This study has presented a new protocol for measuring ultrafast electronic dynamics in an effective time-resolved fashion... more
Laser pulses create topological state in graphene  PHYS.ORG · 2 weeks
Discovering ways to control the topological aspects of quantum materials is an important research frontier because it can lead to desirable electrical and spin transport properties for future device technologies. Now MPSD scientists have... more
Ultrafast quantum motion in a nanoscale trap detected  nanowerk · 2 weeks
Researchers have reported the detection of a picosecond electron motion in a silicon transistor. This study presents a new protocol for measuring ultrafast electronic dynamics in an effective time-resolved fashion of picosecond... more
Chemists observe 'spooky' quantum tunneling  PHYS.ORG · 2 weeks
A molecule of ammonia, NH3, typically exists as an umbrella shape, with three hydrogen atoms fanned out in a nonplanar arrangement around a central nitrogen atom. This umbrella structure is very stable and would normally be expected to... more
Chemists observe “spooky” quantum tunneling  MIT · 2 weeks
Extremely large electric fields can prevent umbrella-shaped ammonia molecules from inverting. more
In classical and quantum secure communication practical randomness is incomplete  PHYS.ORG · 2 weeks
Random bit sequences are key ingredients of various tasks in modern life and especially in secure communication. In a new study researchers have determined that generating true random... more
A memory effect at single-atom level  nanowerk · 2 weeks
An international research group has observed new quantum properties on an artificial giant atom. The quantum system under investigation apparently has a memory - a new finding that could be used to build a quantum computer. more
The Secrets of Ghost Particle Hunting  ASTRO WATCH · 2 weeks
Every day is Halloween for physicist George Fuller, director for the Center of Astrophysics and Space Sciences at UC San Diego and one of... more
Cage molecules act as molecular sieves for hydrogen isotope separation  SCIENCE DAILY · 3 weeks
Researchers have created hybrid porous organic cages capable of high-performance quantum sieving that could help advance the deuterium/hydrogen isotope separation technologies needed for fusion power. more
Quantum chip 1,000 times smaller than current setups  SCIENCE DAILY · 3 weeks
Researchers have developed a quantum communication chip that is 1,000 times smaller than current quantum setups, but offers the same superior security quantum technology is known for. more
Evading Heisenberg isn't easy  SCIENCE DAILY · 3 weeks
Researchers unravel novel dynamics in the interaction between light and mechanical motion with significant implications for quantum measurements designed to evade the influence of the detector in the notorious 'back action limit' problem. more
Barely porous organic cages for hydrogen isotope separation  Science Magazine · 3 weeks
The separation of hydrogen isotopes for applications such as nuclear fusion is a major challenge. Current technologies are energy intensive and inefficient. Nanoporous materials have the potential to separate hydrogen isotopes by... more
Evading Heisenberg isn't easy  PHYS.ORG · 3 weeks
EPFL researchers, with colleagues at the University of Cambridge and IBM Research-Zurich, unravel novel dynamics in the interaction between light and mechanical motion with significant implications for quantum measurements designed to evade the influence of the detector in the notorious... more
Scientists tame Josephson vortices  PHYS.ORG · 3 weeks
MIPT physicists have learned how to locally control Josephson vortices. The discovery can be used for quantum electronics superconducting devices and future quantum processors. The work has been published in the prestigious scientific journal Nature Communications. more
Researchers create quantum chip 1,000 times smaller than current setups  PHYS.ORG · 3 weeks
Researchers at Nanyang Technological University, Singapore (NTU Singapore) have developed a quantum communication chip that is 1,000 times smaller than current quantum setups, but offers the same superior... more
Scientists tame Josephson vortices  nanowerk · 3 weeks
Physicists have learned how to locally control Josephson vortices. The discovery can be used for quantum electronics superconducting devices and future quantum processors. more
Structured light promises path to faster, more secure communications  SCIENCE DAILY · 3 weeks
Quantum mechanics has come a long way during the past 100 years but still has a long way to go. Researchers now review the progress being made in using structured... more
Topological nanoelectronics  PHYS.ORG · 3 weeks
Topological insulators are materials with astonishing properties: Electric current flows only along their surfaces or edges, whereas the interior of the material behaves as an insulator. In 2007, Professor Laurens Molenkamp at Julius-Maximilians-Universität (JMU) Würzburg in Bavaria, Germany, was the... more
Topological nanoelectronics  nanowerk · 3 weeks
Physicists have succeeded for the first time in constructing an essential element a fundamentally new generation of electronic components - a Quantum Point Contact. more
Giving valleytronics a boost  SCIENCE DAILY · 3 weeks
Physicists have revealed a new quantum process in valleytronics that can speed up the development of this fairly new technology. more
New research finding gives valleytronics a boost  nanowerk · 3 weeks
An international research team has revealed a new quantum process in valleytronics that can speed up the development of this fairly new technology. more
Small magnets reveal big secrets  nanowerk · 3 weeks
An international research team has identified a microscopic process of electron spin dynamics in nanoparticles that could impact the design of applications in medicine, quantum computation, and spintronics. more
New research finding gives valleytronics a boost  PHYS.ORG · 3 weeks
An international research team led by physicists at the University of California, Riverside, has revealed a new quantum process in valleytronics that can speed up the development of this fairly new technology. more
These Weirdo Stellar Corpses Have Creamy Centers Filled with Exotic Quantum Liquids  LIVE SCIENCE · 3 weeks
Physicists have figured out what's lurking inside of white dwarfs, revealing the stellar corpses are creamy and filled with exotic quantum liquids. more
Small magnets: Wide-ranging impact on information technology  SCIENCE DAILY · 3 weeks
Physicists have identified a microscopic process of electron spin dynamics in nanoparticles that could impact the design of applications in medicine, quantum computation, and spintronics. more
Electrically control amplified spontaneous emission in colloidal quantum dots  Science Magazine · 4 weeks
Colloidal quantum dots (CQDs) are highly promising materials for light amplification thanks to their efficient photoluminescence, tunable emission wavelength and low-cost synthesis. Unfortunately, CQDs are suffering from band-edge state degeneracy... more
Small magnets reveal big secrets  PHYS.ORG · 4 weeks
An international research team led by a physicist at the University of California, Riverside, has identified a microscopic process of electron spin dynamics in nanoparticles that could impact the design of applications in medicine, quantum computation, and spintronics. more
What Google's 'quantum supremacy' means for the future of computing  PHYS.ORG · 4 weeks
For the first time ever, a quantum computer has performed a computational task that would be essentially impossible for a conventional computer to complete, according to a team... more
Researchers create blueprint for 'quantum battery' that doesn't lose charge  PHYS.ORG · 4 weeks
Scientists from the universities of Alberta and Toronto developed a blueprint for a new quantum battery that doesn't leak charge. more
Building single-atom qubits under a microscope  PHYS.ORG · 4 weeks
Our team at IBM Research made a breakthrough in controlling the quantum behavior of individual atoms, demonstrating a versatile new building block for quantum computation. more
Extracting hidden quantum information from a light source  SCIENCE DAILY · 4 weeks
Researchers report on a technique to extract the quantum information hidden in an image that carries both classical and quantum information. This technique opens a new pathway for quantum enhance microscopes that... more
Building single-atom qubits under a microscope  nanowerk · 4 weeks
Researchers made a breakthrough in controlling the quantum behavior of individual atoms, demonstrating a versatile new building block for quantum computation. more
Valleytronics in a monolayer semiconductor at room temperature  nanowerk · 4 weeks
The basic idea of valleytronics is to pass information through two-dimensional (2D) and other very thin conducting materials using the energy valleys - or energy extrema - in their conduction and valence... more
Coherent spin manipulation of individual atoms on a surface  Science Magazine · 4 weeks
Achieving time-domain control of quantum states with atomic-scale spatial resolution in nanostructures is a long-term goal in quantum nanoscience and spintronics. Here, we demonstrate coherent spin rotations of individual atoms... more
Google's Quantum Computer Just Aced an 'Impossible' Test  LIVE SCIENCE · 4 weeks
For the first time, a quantum computer has solved a task that Google says would be impossible for the most advanced supercomputers in the world. more
Extracting hidden quantum information from a light source  PHYS.ORG · 4 weeks
Current super-resolution microscopes or microarray laser scanning technologies are known for their high sensitivities and very good resolutions. However, they implement high light power to study samples, samples that can be light... more
Google unveils quantum computer breakthrough; critics say wait a qubit  REUTERS · 4 weeks
Alphabet Inc's Google said on Wednesday it had achieved a breakthrough in computing research by using... more
Google unveils computer with 'quantum supremacy', rivals say wait a qubit  REUTERS · 4 weeks
Alphabet Inc's Google said on Wednesday it achieved a breakthrough in computing research by... more
Achieving quantum supremacy  SCIENCE DAILY · 4 weeks
Researchers have made good on their claim to quantum supremacy. Using 53 entangled quantum bits ('qubits'), their Sycamore computer has taken on -- and solved -- a problem considered intractable for classical computers. more
'Molecular spintronics': New technology offers hope for quantum computing  PHYS.ORG · 4 weeks
Quantum computers, which work according to the strange rules of quantum mechanics, may one day revolutionize the world. Once we have managed to build a powerful working machine, it will... more
Unique properties of quantum material explained for first time  PHYS.ORG · 4 weeks
The characteristics of a new, iron-containing type of material that is thought to have future applications in nanotechnology and spintronics have been determined at Purdue University. more
Quantum leap in computing as scientists claim 'supremacy'  PHYS.ORG · 4 weeks
Scientists claimed Wednesday to have achieved a near-mythical state of computing in which a new generation of machine vastly outperforms the world's fastest super-computer, known as "quantum supremacy". more
IBM casts doubt on Google's claims of quantum supremacy  Science Magazine · 4 weeks
According to leaked paper, Google researchers have achieved milestone with number-generating computation more
Unique properties of quantum material explained for first time  nanowerk · 4 weeks
Scientists have determined characteristics of a new, iron-containing type of material that is thought to have future applications in nanotechnology and spintronics. more
Probing work and heat dissipation in the quantum Hall edges of graphene  PHYS.ORG · 4 weeks
Combining our nano-SQUID on tip with scanning gate measurements in the quantum Hall phase of graphene we were able to measure and identify work... more
Pushing quantum photonics  PHYS.ORG · 4 weeks
Quantum computers use the fundamentals of quantum mechanics to potentially speed up the process of solving complex computations. Suppose you need to perform the task of searching for a specific number in a phone book. A classical computer will search... more
A tiny cavity leads to a strong interaction between light and matter  SCIENCE DAILY · 4 weeks
Researchers have succeeded in creating an efficient quantum-mechanical light-matter interface using a microscopic cavity. Within this cavity, a single photon is emitted and absorbed... more
A cavity leads to a strong interaction between light and matter  nanowerk · 4 weeks
Researchers have succeeded in creating an efficient quantum-mechanical light-matter interface using a microscopic cavity. Within this cavity, a single photon is emitted and absorbed up to... more
A cavity leads to a strong interaction between light and matter  PHYS.ORG · 4 weeks
Researchers have succeeded in creating an efficient quantum-mechanical light-matter interface using a microscopic cavity. Within this cavity, a single photon is emitted and absorbed up to... more
Researchers watch quantum knots untie  SCIENCE DAILY · 4 weeks
A quantum gas can be tied into knots using magnetic fields. The same researchers who were the first to produce these knots have now studied how the knots behave over time. The surprising result is that the knots... more
Researchers watch quantum knots untie  PHYS.ORG · 4 weeks
A quantum gas can be tied into knots using magnetic fields. Our researchers were the first to produce these knots as part of a collaboration between Aalto University and Amherst College, U.S., and they have now studied how... more
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