Quantum Mechanics
A tip for future nanoscale sensing  nanowerk · 2 hours
The tiny diamond pyramid tips used for atomic force microscopy may also prove to be highly useful for nanoscale, quantum sensing. more
Choreographed entanglement dances: Topological states of quantum matter  Science Magazine · 15 hours
It has long been thought that all different phases of matter arise from symmetry breaking. Without symmetry breaking, there would be no pattern, and matter would be featureless. However, it is now... more
Researchers make coldest quantum gas of molecules  PHYS.ORG · 15 hours
JILA researchers have made a long-lived, record-cold gas of molecules that follow the wave patterns of quantum mechanics instead of the strictly particle nature of ordinary classical physics. The creation of this gas boosts... more
Quantum interface of an electron and a nuclear ensemble  Science Magazine · 16 hours
Coherent excitation of an ensemble of quantum objects underpins quantum many-body phenomena and offers the opportunity to realize a memory that stores quantum information. Thus far, a deterministic and coherent... more
Coherent single-photon emission from colloidal lead halide perovskite quantum dots  Science Magazine · 16 hours
Chemically made colloidal semiconductor quantum dots have long been proposed as scalable and color-tunable single emitters in quantum optics, but they have typically suffered from prohibitively incoherent emission.... more
Quantum dots can spit out clone-like photons  MIT · 16 hours
System that generates coherent single particles of light could help pave the way for quantum information processors or communications. more
Physicists get thousands of semiconductor nuclei to do 'quantum dances' in unison  PHYS.ORG · 16 hours
A team of Cambridge researchers have found a way to control the sea of nuclei in semiconductor quantum dots so they can operate as... more
Quantum dots can spit out clone-like photons  PHYS.ORG · 16 hours
In the global quest to develop practical computing and communications devices based on the principles of quantum physics, one potentially useful component has proved elusive: a source of individual particles of light with perfectly... more
Do alpha particle condensates exist in oxygen nuclei?  PHYS.ORG · 20 hours
Nuclei in their lowest energy states (ground state) are composed of neutrons and protons. Two protons and two neutrons in a nucleus can cluster together to form alpha particles. When the nucleus... more
Physicists 'flash-freeze' crystal of 150 ions  SCIENCE DAILY · 1 day
Physicists have 'flash-frozen' a flat crystal of 150 beryllium ions (electrically charged atoms), opening new possibilities for simulating magnetism at the quantum scale and sensing signals from mysterious dark matter. more
Physicists 'flash-freeze' crystal of 150 ions  PHYS.ORG · 2 days
Physicists at the National Institute of Standards and Technology (NIST) have "flash-frozen" a flat crystal of 150 beryllium ions (electrically charged atoms), opening new possibilities for simulating magnetism at the quantum scale and sensing signals from... more
Physicists 'flash-freeze' crystal of 150 ions  nanowerk · 2 days
Physicists have 'flash-frozen' a flat crystal of 150 beryllium ions (electrically charged atoms), opening new possibilities for simulating magnetism at the quantum scale and sensing signals from mysterious dark matter. more
New technology captures movement of quantum particles with unprecedented resolution  SCIENCE DAILY · 2 days
A new study explores the activity of quantum particles in 2D materials within an unprecedented small time frame and at an extraordinarily high spatial resolution. These are highly... more
New imaging technology captures movement of quantum particles with unprecedented resolution  PHYS.ORG · 3 days
Excitons—electrically neutral quasiparticles—have extraordinary properties. They exist only in semiconducting and insulating materials and can be easily accessed in two-dimensional (2D) materials just a few atoms... more
A polariton filter turns ordinary laser light into quantum light  PHYS.ORG · 3 days
An international team of researchers led out of Macquarie University has demonstrated a new approach for converting ordinary laser light into genuine quantum light. more
Observation of quantized heating in quantum matter  PHYS.ORG · 3 days
Shaking a physical system typically heats it up, in the sense that the system continuously absorbs energy. When considering a circular shaking pattern, the amount of energy that is absorbed can potentially depend on... more
Sound waves let quantum systems 'talk' to one another  PHYS.ORG · 4 days
Researchers at the University of Chicago and Argonne National Laboratory have invented an innovative way for different types of quantum technology to "talk" to each other using sound. The study,... more
Implementing a practical quantum secure direct communication system  PHYS.ORG · 4 days
Quantum secure direct communication (QSDC) is an important branch of quantum communication, based on the principles of quantum mechanics for the direct transmission of classified information. While recent proof-of-principle experimental studies have... more
Photoelectrical imaging and coherent spin-state readout of single nitrogen-vacancy centers in diamond  Science Magazine · 1 week
Nitrogen-vacancy (NV) centers in diamond have become an important instrument for quantum sensing and quantum information science. However, the readout of NV spin state... more
Tracking pollen with quantum dots  SCIENCE DAILY · 1 week
Most plant species on earth are reliant on insects for pollination, including more than 30% of the food crops we eat. With insects facing rapid global decline, it is crucial that scientists understand which insects are important pollinators... more
Scientists develop direct-write quantum calligraphy in monolayer semiconductors  nanowerk · 1 week
Scientists have developed a way to directly write quantum light sources, which emit a single photon of light at a time, into monolayer semiconductors such as tungsten diselenide. more
Researchers develop direct-write quantum calligraphy in monolayer semiconductors  PHYS.ORG · 1 week
Scientists at the U.S. Naval Research Laboratory (NRL) and the Air Force Research Laboratory (AFRL) have developed a way to directly write quantum light sources, which emit a single photon of light... more
Tracking pollen with quantum dots  nanowerk · 1 week
A pollination biologist is using quantum dots to track the fate of individual pollen grains. This is breaking new ground in a field of research that has been hampered by the lack of a universal method to track. more
Tracking pollen with quantum dots  PHYS.ORG · 1 week
A pollination biologist from Stellenbosch University in South Africa is using quantum dots to track the fate of individual pollen grains. This is breaking new ground in a field of research that has been hampered by the lack... more
Taking diamond qubits for a spin  nanowerk · 1 week
Scientists use implanted silicon ions and electricity to increase the spin time of quantum bits, moving closer to the tech needed for quantum networks. more
High-performance quantum dot mode-locked laser on silicon  SCIENCE DAILY · 1 week
Ten years into the future. That's about how far an electrical and computer engineering professor and his research team are reaching with the recent development of their mode-locked quantum dot lasers on silicon. It's... more
Engineers develop high-performance quantum dot mode-locked laser on silicon  nanowerk · 1 week
This future technology not only can massively increase the data transmission capacity of data centers, telecommunications companies and network hardware products to come, but do so with high stability, low... more
ORNL teams with Los Alamos, EPB to demonstrate next-generation grid security tech  PHYS.ORG · 1 week
A team of researchers from the Department of Energy's Oak Ridge and Los Alamos National Laboratories has partnered with EPB, a Chattanooga utility and... more
A Computer Spotted a Turtle Hiding Out in a Cloud of 'Quantum Fireworks'  LIVE SCIENCE · 1 week
Scientists couldn't find the pattern in these strange clouds of quantum fireworks. So they enlisted a computer, and it noticed a hidden... more
Questions in quantum computing—how to move electrons with light  PHYS.ORG · 1 week
Electronics rely on the movement of negatively-charged electrons. Physicists strive to understand the forces that push these particles into motion, with the goal of harnessing their power in new technologies.... more
Quantum strangeness gives rise to new electronics  SCIENCE DAILY · 1 week
Today, a new breed of electronic devices, bearing unique properties, is being developed. As ultra-miniaturization continues apace, researchers have begun to explore the intersection of physical and chemical properties occurring at the molecular scale. more
Engineers develop room temperature, two-dimensional platform for quantum technology  nanowerk · 2 weeks
Researchers have demonstrated a new hardware platform based on isolated electron spins in a two-dimensional material. The electrons are trapped by defects in sheets of hexagonal boron nitride, a one-atom-thick... more
Engineers develop room temperature, two-dimensional platform for quantum technology  PHYS.ORG · 2 weeks
Quantum computers promise to be a revolutionary technology because their elementary building blocks, qubits, can hold more information than the binary, 0-or-1 bits of classical computers. But to harness this... more
Engineers develop room temperature, two-dimensional platform for quantum technology  SCIENCE DAILY · 2 weeks
Researchers have now demonstrated a new hardware platform based on isolated electron spins in a two-dimensional material. The electrons are trapped by defects in sheets of hexagonal boron nitride, a... more
Quantum strangeness gives rise to new electronics  nanowerk · 2 weeks
Quantum interference effects can cause substantial variation in the conductance properties of molecule-scale devices. By controlling the quantum interference, researchers showed that electrical conductance of a single molecule can be fine-tuned over two orders... more
Quantum strangeness gives rise to new electronics  PHYS.ORG · 2 weeks
Noting the startling advances in semiconductor technology, Intel co-founder Gordon Moore proposed that the number of transistors on a chip will double each year, an observation that has been born out since he made... more
Machine learning reveals hidden turtle pattern in quantum fireworks  PHYS.ORG · 2 weeks
Two years ago, physicists at the University of Chicago were greeted with fireworks—atoms shooting out in jets—when they discovered a new form of quantum behavior. But the patterns underlying the... more
Scientists image conducting edges in a promising 2D material  SCIENCE DAILY · 2 weeks
Researchers have directly imaged 'edge conduction' in monolayer tungsten ditelluride, a newly discovered 2D topological insulator and quantum material. The research makes it possible to exploit this edge conduction feature... more
Life on the edge in the quantum world  SCIENCE DAILY · 2 weeks
Pulling off high-speed energy transfers in the lab gives researchers insight into quantum computing, high-speed rechargeable batteries, and other future applications of quantum technology. more
Imaging quantum spin Hall edges in monolayer WTe2  Science Magazine · 2 weeks
A two-dimensional (2D) topological insulator exhibits the quantum spin Hall (QSH) effect, in which topologically protected conducting channels exist at the sample edges. Experimental signatures of the QSH effect have recently been... more
Experimental observation of dual magnetic states in topological insulators  Science Magazine · 2 weeks
The recently discovered topological phase offers new possibilities for spintronics and condensed matter. Even insulating material exhibits conductivity at the edges of certain systems, giving rise to an anomalous quantum... more
Superadiabatic population transfer in a three-level superconducting circuit  Science Magazine · 2 weeks
Adiabatic manipulation of the quantum state is an essential tool in modern quantum information processing. Here, we demonstrate the speedup of the adiabatic population transfer in a three-level superconducting transmon circuit by... more
Scientists image conducting edges in a promising 2-D material  PHYS.ORG · 2 weeks
A research team comprised of scientists at the University of California, Riverside, and the University of Washington has for the first time directly imaged "edge conduction" in monolayer tungsten ditelluride,... more
Life on the edge in the quantum world  PHYS.ORG · 2 weeks
Quantum physics sets the laws that dominate the universe at a small scale. The ability to harness quantum phenomena could lead to machines like quantum computers, which are predicted to perform certain... more
New phenomenon discovered that fixes a common problem in lasers: Wavelength splitting  SCIENCE DAILY · 2 weeks
Physicists have discovered how to fix a major problem that occurs in lasers made from a new type of material called quantum dots. The... more
New phenomenon discovered that fixes a common problem in lasers: Wavelength splitting  PHYS.ORG · 2 weeks
A team led by University of Utah physicists has discovered how to fix a major problem that occurs in lasers made from a new... more
Sound and light trapped by disorder  PHYS.ORG · 2 weeks
Sound and light are crucial for our life and are essential in many energy, communication and information technologies. Their interaction allows many fundamental observations in physics, from the detection of cosmic gravitational waves to the cooling... more
Eliminating nonradiative decay in Cu(I) emitters: >99% quantum efficiency and microsecond lifetime  Science Magazine · 2 weeks
Luminescent complexes of heavy metals such as iridium, platinum, and ruthenium play an important role in photocatalysis and energy conversion applications as well as... more
A circuit platform made of strongly interacting microwave photons  PHYS.ORG · 2 weeks
A team of researchers at the University of Chicago has developed a circuit platform for the exploration of quantum matter made of strongly interacting microwave photons. In their paper published... more
Controllable electron flow in quantum wires  SCIENCE DAILY · 2 weeks
Scientist have found they can turn on and off the flow of current in a bismuth crystal subjected to a high magnetic field, making a new type of controllable quantum wire. more
Controllable electron flow in quantum wires  PHYS.ORG · 2 weeks
Princeton researchers have demonstrated a new way of making controllable "quantum wires" in the presence of a magnetic field, according to a new study published in Nature. more
Programmable transparent organic luminescent tags–writing with light  PHYS.ORG · 2 weeks
Luminescent emission in the form of phosphorescence commonly occurs in daily life as a result of a quantum mechanically small transition probability. A luminescent emission lifetime can last from microseconds to several hours. Popularly... more
Theoretical model may help solve molecular mystery  PHYS.ORG · 2 weeks
Spintronics is promising for future low-power electronic devices. Spin is a quantum-mechanical property of electrons that can best be imagined as electrons spinning around their own axes, causing them to behave like small compass... more
When cold atoms meet nano: A wired quantum node  PHYS.ORG · 2 weeks
Physicists at the Kastler Brossel Laboratory in Paris have reached a milestone in the combination of cold atoms and nanophotonics. Using fiber-addressable atoms, they have created the first wired atomic... more
Researchers develop new method to reduce quantum noise  PHYS.ORG · 3 weeks
In a recent issue of Physical Review A, Argonne researchers reported a new method for alleviating the effects of "noise" in quantum information systems, a challenge scientists around the globe are working... more
Physicists uncover the topological origin of surface electromagnetic waves  SCIENCE DAILY · 3 weeks
In work that provides insights for several areas of wave physics -- Maxwell electromagnetism, topological quantum states, and plasmonics/metamaterials -- scientists showed that the well-known surface electromagnetic waves at interfaces... more
Physicists uncover the topological origin of surface electromagnetic waves  nanowerk · 3 weeks
Researchers showed that the well-known surface electromagnetic waves at interfaces between homogeneous isotropic media, obtained within classical Maxwell's electromagnetism, also have a purely topological origin, similar to quantum topological states. more
Physicists uncover the topological origin of surface electromagnetic waves  PHYS.ORG · 3 weeks
In work that provides insights for several areas of wave physics, including Maxwell electromagnetism, topological quantum states, and plasmonics/metamaterials, scientists have shown that the well-known surface electromagnetic waves at interfaces... more
Breaching the horizons: Universal spreading laws confirmed  PHYS.ORG · 3 weeks
The universal laws governing the dynamics of interacting quantum particles are yet to be fully revealed to the scientific community. A team of researchers at the Center for Theoretical Physics of Complex Systems (PCS),... more
Glass fibers and light offer new control over atomic fluorescence  PHYS.ORG · 3 weeks
Electrons inside an atom whip around the nucleus like satellites around the Earth, occupying orbits determined by quantum physics. Light can boost an electron to a different, more... more
Researchers determine the performance of multi-dimensional bits  PHYS.ORG · 3 weeks
What kinds of computers would be conceivable if physics worked differently? Quantum physicists Marius Krumm from the University of Vienna and Markus Müller from the Viennese Institute of Quantum Optics and Quantum Information of... more
Simulations of quantum transport: Universal spreading laws confirmed  SCIENCE DAILY · 3 weeks
A novel toolbox developed to implement ultrafast simulations of quantum transport has allowed the achievement of unprecedented limits in the understanding of wave spreading mechanisms. more
Transient exciton-polariton dynamics in WSe2 by ultrafast near-field imaging  Science Magazine · 3 weeks
Van der Waals (vdW) materials offer an exciting platform for strong light-matter interaction enabled by their polaritonic modes and the associated deep subwavelength light confinement. Semiconductor vdW materials such as... more
Current generation via quantum proton transfer  SCIENCE DAILY · 3 weeks
Scientists have discovered that proton transfer in electrochemical reactions is governed by the quantum tunneling effect (QTE) under the specific conditions. In addition, they made a first ever observation of the transition between the quantum and... more
Current generation via quantum proton transfer  PHYS.ORG · 3 weeks
NIMS and Hokkaido University jointly discovered that proton transfer in electrochemical reactions is governed by the quantum tunneling effect (QTE) under the specific conditions. In addition, they made a first ever observation of the transition between... more
Scientists 'hijack' open-access quantum computer to tease out quantum secrets  PHYS.ORG · 3 weeks
The rules of quantum mechanics describe how atoms and molecules act very differently from the world around us. Scientists have made progress toward teasing out these rules—essential for... more
Quantum sensors providing magnetic resonance with unprecedented sensitivity  SCIENCE DAILY · 3 weeks
Scientists have produced a series of protocols for quantum sensors that could allow images to be obtained by means of the nuclear magnetic resonance of single biomolecules using a minimal amount of... more
Correlations in high-harmonic generation of matter-wave jets revealed by pattern recognition  Science Magazine · 3 weeks
Correlations in interacting many-body systems are key to the study of quantum matter. The complexity of the correlations typically grows quickly as the system evolves and... more
Quantum reference beacon-guided superresolution optical focusing in complex media  Science Magazine · 3 weeks
Optical scattering is generally considered to be a nuisance of microscopy that limits imaging depth and spatial resolution. Wavefront shaping techniques enable optical imaging at unprecedented depth, but attaining superresolution... more
Environmentally stable laser emits exceptionally pure light  SCIENCE DAILY · 3 weeks
Researchers have developed a compact laser that emits light with extreme spectral purity that doesn't change in response to environmental conditions. The new potentially portable laser could benefit a host of scientific applications, improve... more
Environmentally stable laser emits exceptionally pure light  PHYS.ORG · 3 weeks
Researchers have developed a compact laser that emits light with extreme spectral purity that doesn't change in response to environmental conditions. The new potentially portable laser could benefit a host of scientific applications, improve... more
A new topological approach to the next generation of electronic, photonic and phononic devices  nanowerk · 3 weeks
A new European project proposes radically new technologies taking advantage of the unique properties of topological matter that can prove... more
'Quantum leap' in AI-related patent filings: UN (Update)  PHYS.ORG · 3 weeks
The UN noted Thursday that patent filings for artificial intelligence-based inventions have exploded in recent years, with more than half of all such patents filed since 2013. more
How does a quantum particle see the world?  SCIENCE DAILY · 3 weeks
Researchers have demonstrated that whether an object (in our example, the ball) shows quantum features depends on the reference frame. The physical laws, however, are still independent of it. more
How does a quantum particle see the world?  PHYS.ORG · 3 weeks
Researchers at the University of Vienna study the relevance of quantum reference frames for the symmetries of the world more
Meet the quantum fridge—at three atoms in size, it's much smaller than a minibar  PHYS.ORG · 3 weeks
Researchers in Singapore have built a refrigerator that's just three atoms big. This quantum fridge won't keep your drinks cold,... more
Physicists Made a Flying Army of Laser Schrödinger's Cats  SPACE.COM · 3 weeks
A laser pulse glanced off a rubidium atom and entered the quantum world — taking on the weird physics of Schrödinger's cat. more
Meet the quantum fridge: At 3 atoms in size, it's much smaller than a minibar  SCIENCE DAILY · 3 weeks
Researchers in Singapore have built a refrigerator that's just three atoms big. This quantum fridge won't keep your... more
How Do Particles Escape Black Holes? Supercomputers May Have the Answer  SPACE.COM · 3 weeks
The gravitational pull of a black hole is so strong that nothing, not even light, can escape once it gets too close. However, there is one... more
Physicists Uncover Quantum Structure of Buckminsterfullerene  SCI-NEWS.COM · 3 weeks
A team of physicists from the Joint Institute for Lab Astrophysics (JILA) and IMRA America Inc. has measured hundreds of individual quantum energy levels... more
Physicists Made a Flying Army of Laser Schrödinger's Cats  LIVE SCIENCE · 3 weeks
A laser pulse glanced off a rubidium atom and entered the quantum world — taking on the weird physics of Schrödinger's cat. more
New quantum system could help design better spintronics  PHYS.ORG · 3 weeks
Researchers have created a new testing ground for quantum systems in which they can literally turn certain particle interactions on and off, potentially paving the way for advances in spintronics. more
New quantum system could help design better spintronics  nanowerk · 3 weeks
Researchers have created a new testing ground for quantum systems in which they can literally turn certain particle interactions on and off, potentially paving the way for advances in spintronics. more
Interdisciplinary UA researchers get tangled up in quantum computing  PHYS.ORG · 4 weeks
Good neighbors often share resources: a cup of sugar, extra lawn chairs, a set of jumper cables. Researchers across campus at the University of Arizona will soon be able to... more
Researchers uncover quantum structure of buckyballs  nanowerk · 4 weeks
Researchers have measured hundreds of individual quantum energy levels in the buckyball, a spherical cage of 60 carbon atoms. more
Quantum structure of buckyballs  SCIENCE DAILY · 4 weeks
Researchers have measured hundreds of individual quantum energy levels in the buckyball, a spherical cage of 60 carbon atoms. It's the largest molecule that has ever been analyzed at this level of experimental detail in the history of quantum mechanics.... more
Quantifying how much quantum information can be eavesdropped  PHYS.ORG · 4 weeks
Summary The most basic type of quantum information processing is quantum entanglement. In a new study published in EPJ B, Zhaonan Zhang from Shaanxi Normal University, Xi'an, China, and colleagues have provided... more
Better safeguards for sensitive information  PHYS.ORG · 4 weeks
Despite being the most advanced quantum technology, secure encryption of information units based on a method called quantum key distribution (QKD) is currently limited by the channel's capacity to send or share secret bits. In a recent study... more
Better safeguards for sensitive information  SCIENCE DAILY · 4 weeks
Despite being the most advanced quantum technology, secure encryption of information units based on a method called quantum key distribution (QKD) is currently limited by the channel's capacity to send or share secret bits. Scientists now show how... more
Quantifying how much quantum information can be eavesdropped  SCIENCE DAILY · 4 weeks
The most basic type of quantum information processing is quantum entanglement. Researchers have now provided a much finer characterization of the distributions of entanglement in multi-qubit systems than previously available. These findings... more
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Tracking pollen with quantum dots
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IBM launches commercial quantum computing – we're not ready for what comes next
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