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Quantum Physics news
Faster technique for resetting quantum circuits proposed
Rebooting a quantum computer is a tricky process that can damage its parts, but now two RIKEN physicists have proposed a fast and controllable way to hit reset.
Quantum Physics
Jan 21, 2022
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Paradoxical material a mashup of three different phases at once, quantum physicists find
Materials that look like mosaics of triangular tiles at the atomic level sometimes have paradoxical properties, and quantum physicists have finally found out why.
Condensed Matter
Jan 21, 2022
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164
Quantum tech: Semiconductor 'flipped' to insulator above room temp
A semiconducting material that performed a quantum "flip" from a conductor to an insulator above room temperature has been developed at the University of Michigan. It potentially brings the world closer to a new generation ...
Quantum Physics
Jan 20, 2022
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Research demonstrates a new technique for improving long-distance quantum key distribution in a real-world field
An experiment, performed by Istituto Nazionale di Ricerca Metrologica (INRIM) on 200 km of the Italian Quantum Backbone, in collaboration with Toshiba Europe, shows that coherent laser interferometry considerably improves ...
Quantum Physics
Jan 20, 2022
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Towards compact quantum computers thanks to topology
Researchers at PSI have compared the electron distribution below the oxide layer of two semiconductors. The investigation is part of an effort to develop particularly stable quantum bits—and thus, in turn, particularly ...
Quantum Physics
Jan 20, 2022
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Towards quantum simulation of false vacuum decay
Phase transitions are everywhere, ranging from water boiling to snowflakes melting, and from magnetic transitions in solids to cosmological phase transitions in the early universe. Particularly intriguing are quantum phase ...
Optics & Photonics
Jan 20, 2022
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Stirring a superfluid with a laser
Scientists from the Graduate School of Engineering Science at Osaka University used optical tweezers for the first time inside superfluid helium. With a strongly focused beam of light, they demonstrated the stable trapping ...
Optics & Photonics
Jan 20, 2022
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Groundbreaking light sources can increase effectiveness and security of transferring quantum information
Entanglement is a central phenomenon of quantum mechanics. It enables two photons to be connected with each other regardless of distance, and it is the basis of the immense potential of quantum technologies. However, the ...
Quantum Physics
Jan 20, 2022
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For the first time, scientists rigorously calculate three-particle scattering from theory
The goal of nuclear physics is to describe all matter from its simplest building blocks: quarks and gluons. Found deep inside protons and neutrons, quarks and gluons also combine in less common configurations to make other ...
Quantum Physics
Jan 19, 2022
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Quantum zeta epiphany: Physicist finds a new approach to a $1 million mathematical enigma
Numbers like π, e and φ often turn up in unexpected places in science and mathematics. Pascal's triangle and the Fibonacci sequence also seem inexplicably widespread in nature. Then there's the Riemann zeta function, a ...
General Physics
Jan 19, 2022
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Semiconductor spin qubits gain further credibility as leading platform for quantum computing
Researchers at QuTech—a collaboration between the Delft University of Technology and TNO—have taken an important step for semiconductor spin qubits by surpassing the 99% barrier for two-qubit gate fidelity. They report ...
Quantum Physics
Jan 19, 2022
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Gate set tomography: How physicists are revealing the inner workings of quantum computers
A precision diagnostic developed at the Department of Energy's Sandia National Laboratories is emerging as a gold standard for detecting and describing problems inside quantum computing hardware.
Quantum Physics
Jan 19, 2022
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Scientists achieve key elements for fault-tolerant quantum computation in silicon spin qubits
Researchers from RIKEN and QuTech—a collaboration between TU Delft and the Netherlands Organisation for Applied Scientific Research (TNO)— have achieved a key milestone toward the development of a fault-tolerant quantum ...
Quantum Physics
Jan 19, 2022
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Quantum computing in silicon hits 99% accuracy
UNSW Sydney-led research paves the way for large silicon-based quantum processors for real-world manufacturing and application.
Quantum Physics
Jan 19, 2022
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Magnetism at the root of enhanced 'green' catalysis
The research group at MagnetoCat SL (Alicante, Spain) published a fundamental theoretical work on magnetism in heterogeneous catalysis in ACS Catalysis. The group, composed by Ph.D. student Miss Chiara Biz, Dr. Mauro Fianchini ...
Quantum Physics
Jan 19, 2022
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Enhancing simulations of curved space with qubits
One of the mind-bending ideas that physicists and mathematicians have come up with is that space itself—not just objects in space—can be curved. When space curves (as happens dramatically near a black hole), sizes and ...
Quantum Physics
Jan 19, 2022
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On the tiniest of scales, chemistry isn't all about 'billiard-ball' reactions
Scientists are now one step closer to better understanding how to live in a "quantum" world—and not just from watching the character "Ant-Man" in the Marvel movie franchise.
Quantum Physics
Jan 18, 2022
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Superabsorption unlocks key to next-generation quantum batteries
Researchers at the University of Adelaide and their overseas partners have taken a key step in making quantum batteries a reality. They have successfully proved the concept of superabsorption, a crucial idea underpinning ...
Quantum Physics
Jan 17, 2022
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The quantum field theory on which the everyday world supervenes
The laws of physics underlying everyday life are, at one level of description, completely known, and can be summarized in a single elegant—if quite complex—equation. That's the claim physicist Sean Carroll, an SFI Fractal ...
Quantum Physics
Jan 17, 2022
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Advances in theoretical modeling of atomic nuclei
The atomic nucleus is a tough nut to crack. The strong interaction between the protons and neutrons that make it up depends on many quantities, and these particles, collectively known as nucleons, are subject to not only ...
Quantum Physics
Jan 14, 2022
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306
More news
Crunching multiverse to solve two physics puzzles at once
Photon pairs are more sensitive to rotations than single photons
Large Auger coefficient myth in III-nitride LEDs debunked?
Semiconductor demonstrates elusive quantum physics model
In-fridge controller could scale up quantum computers
Integrated photonics for quantum technologies
How to test the limits of quantum mechanics
Researchers detect two-dimensional kagome surface states
Controlling self-doping in magnetite with temperature
Matter and antimatter seem to respond equally to gravity
Suppressing the Auger recombination process in quantum dots
Experimental quantum teleportation of propagating microwaves
Other news
Worldwide coordinated search for dark matter
Fastest-ever study of how electrons respond to X-rays performed
Tug of sun, moon could be driving plate motions on 'imbalanced' Earth
Simulations show iron catalyzes corrosion in 'inert' carbon dioxide
Consistent asteroid showers rock previous thinking on Mars craters
Changing the genetic 'recipe' for protovertebrates
Tracking quantum phenomena in 2D graphene
Scientists build 'valves' in DNA to shape biological information flows
Examining recent developments in quantum chromodynamics
A-list candidate for fault-free quantum computing delivers surprise
Quantum marbles in a bowl of light
New materials for quantum technologies
Integrated photonics meets electron microscopy
Modeling how cells choose their fates
