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Quantum Physics news
Tracing the history of perturbative expansion in quantum field theory
Perturbative expansion is a valuable mathematical technique which is widely used to break down descriptions of complex quantum systems into simpler, more manageable parts. Perhaps most importantly, it has enabled the development ...
Quantum Physics
12 hours ago
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Researchers develop world's smallest quantum light detector on a silicon chip
Researchers at the University of Bristol have made an important breakthrough in scaling quantum technology by integrating the world's tiniest quantum light detector onto a silicon chip. The paper, "A Bi-CMOS electronic photonic ...
Optics & Photonics
12 hours ago
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134
Scientists demonstrate the survival of quantum coherence in a chemical reaction involving ultracold molecules
If you zoom in on a chemical reaction to the quantum level, you'll notice that particles behave like waves that can ripple and collide. Scientists have long sought to understand quantum coherence, the ability of particles ...
Quantum Physics
May 16, 2024
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359
Quantum experts review major techniques for isolating Majoranas
Named after an Italian theoretical physicist, Majoranas are complex quasiparticles that could be the key to building next-generation quantum computing systems.
Quantum Physics
May 16, 2024
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73
Method milestone for quantum physics: Rapid test for topological 2D materials
Topological quantum materials are hailed as a cornerstone of future technological advancements. Yet, validating their exceptional qualities has always been a lengthy process.
Condensed Matter
May 16, 2024
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37
Scientists use generative AI to answer complex questions in physics
When water freezes, it transitions from a liquid phase to a solid phase, resulting in a drastic change in properties like density and volume. Phase transitions in water are so common most of us probably don't even think about ...
General Physics
May 16, 2024
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111
Researchers call for a new measurement of time for tunneling particles
In an amazing phenomenon of quantum physics known as tunneling, particles appear to move faster than the speed of light. However, physicists from Darmstadt believe that the time it takes for particles to tunnel has been measured ...
Quantum Physics
May 16, 2024
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116
New method of wavefunction matching helps solve quantum many-body problems
Strongly interacting systems play an important role in quantum physics and quantum chemistry. Stochastic methods such as Monte Carlo simulations are a proven method for investigating such systems. However, these methods reach ...
Quantum Physics
May 15, 2024
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164
A new family of beautiful-charming tetraquarks: Study illuminates a new horizon within quantum chromodynamics
Exploring the complex domain of subatomic particles, researchers at the The Institute of Mathematical Science (IMSc) and the Tata Institute of Fundamental Research (TIFR) have recently published a novel finding in the journal ...
General Physics
May 15, 2024
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53
Spooky states and figure eights: Stepping into the quantum computing 'ring'
Deep in outer space, invisible hands mold the universe. One is dark matter, an unseen substance thought to bind distant galaxies. The other is dark energy, a force believed to push stellar structures apart with gravity-defying ...
Quantum Physics
May 15, 2024
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Physicists demonstrate first metro-area quantum computer network in Boston
It's one thing to dream up a quantum internet that could send hacker-proof information around the world via photons superimposed in different quantum states. It's quite another to physically show it's possible.
Optics & Photonics
May 15, 2024
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90
Quantum geometry offers new insights into 'smart' materials with switchable electric polarity
Quantum theorists at the University of British Columbia have proposed a new approach to studying stacking ferroelectricity—spontaneous electric polarization—in layered, two-dimensional lab-grown materials.
Condensed Matter
May 15, 2024
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36
Scientists raise minimum magnetic field of a single measurement to sub-femtotesla level
A research team has, for the first time, realized the quantum amplification of an extremely weak magnetic field by using dark spin, with the magnetic field magnification exceeding a factor of 5,000 and the single magnetic ...
Condensed Matter
May 15, 2024
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10
Experimental demonstration of inequivalent mutually unbiased bases for quantum information processing
Research groups demonstrated for the first time that inequivalent mutually unbiased bases (MUBs) have different information extraction capabilities for quantum information processing. The research results were published in ...
Quantum Physics
May 15, 2024
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Study uncovers technologies that could unveil energy-efficient information processing and sophisticated data security
Advanced information processing technologies offer greener telecommunications and strong data security for millions, a study led by University of Maryland (UMD) researchers revealed.
Optics & Photonics
May 14, 2024
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84
Physicists create five-lane superhighway for electrons
MIT physicists and colleagues have created a five-lane superhighway for electrons that could allow ultra-efficient electronics and more. The work, reported in the May 9 issue of Science, is one of several important discoveries ...
Condensed Matter
May 13, 2024
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440
Scientists discover 'weird' statistics of electrons ejected by intense quantum light
Photon-number distributions of various light sources have been studied extensively. However, little is known about the statistical distribution of electrons emitted under the effect of intense light.
Optics & Photonics
May 13, 2024
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New surface acoustic wave techniques could lead to surfing a quantum internet
Researchers at the University of Rochester have used surface acoustic waves to overcome a significant obstacle in the quest to realize a quantum internet.
Optics & Photonics
May 13, 2024
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80
Researchers create complex quantum graph states with photons
The entanglement of quantum systems is the foundation of all quantum information technologies. Complex forms of entanglement between several quantum bits are particularly interesting.
Quantum Physics
May 13, 2024
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64
Novel hybrid scheme speeds the way to simulating nuclear reactions on quantum computers
The nuclear reactions that power the stars and forge the elements emerge from the interactions of the quantum mechanical particles, protons and neutrons. Explaining these processes is one of the most challenging unsolved ...
Quantum Physics
May 13, 2024
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62
More news
Visual observation of photonic Floquet–Bloch oscillations
Ultrasound experiment identifies new superconductor
Topological phonons: Where vibrations find their twist
Physicists reach atomic-scale telegraphy with light
Quantum simulators solve physics puzzles with colored dots
The interference of many atoms, and a new approach to boson sampling
New super-pure silicon chip opens path to powerful quantum computers
Attosecond core-level spectroscopy reveals real-time molecular dynamics
Experiment opens door for millions of qubits on one chip
Other news
Physicists propose path to faster, more flexible robots
Scientists develop new geochemical 'fingerprint' to trace contaminants in fertilizer
Furry thieves are running loose in a Maine forest, research shows
Spiny legged 308-million-year-old arachnid discovered in the Mazon Creek locality
Ion irradiation offers promise for 2D material probing
Chemists develop new method for introducing fluorinated components into molecules
Physicists pioneer new quantum sensing platform
Twisting and binding matter waves with photons in a cavity
Study shows plants restrict use of corrective 'Tipp-Ex proteins'
Major declines reported in South Korean big cat trade
