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Quantum Physics news
Study explores the physical origin of errors in a spin qubit processor
To achieve remarkable performances, quantum computing systems based on multiple qubits must attain high-fidelity entanglement between their underlying qubits. Past studies have shown that solid-state quantum platforms—quantum ...
Physicists uncover behavior in quantum superconductors that provides a new level of control
A new study has uncovered important behavior in the flow of electric current through quantum superconductors, potentially advancing the development of future technologies like quantum computing.
Superconductivity
7 hours ago
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Quantum research unlocks PET scan potential in disease detection
New research in quantum entanglement could vastly improve disease detection, such as for cancer and Alzheimer's disease.
Optics & Photonics
7 hours ago
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Digital quantum simulation of nuclear magnetic resonance experiments
Programmable quantum computers have the potential to efficiently simulate increasingly complex molecular structures, electronic structures, chemical reactions, and quantum mechanical states in chemistry that classical computers ...
Quantum Physics
7 hours ago
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14
Quantum computing and photonics discovery potentially shrinks critical parts by 1,000 times
Researchers have made a discovery that could make quantum computing more compact, potentially shrinking essential components 1,000 times while also requiring less equipment. The research is published in Nature Photonics.
Optics & Photonics
11 hours ago
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28
Novel protocols for estimating Hamiltonian parameters of a superconducting quantum processor could improve precision
Researchers at Freie Universität Berlin, University of Maryland and NIST, Google AI, and Abu Dhabi set out to robustly estimate the free Hamiltonian parameters of bosonic excitations in a superconducting quantum simulator. ...
Google's sycamore quantum chip beats classical computers running random circuit sampling
A team of engineers, physicists and quantum specialists at Google Research has found that reducing noise to a certain level allows the company's sycamore quantum chip to beat classical computers running random circuit sampling ...
Scientists use light to visualize magnetic domains in quantum materials
When something draws us in like a magnet, we take a closer look. When magnets draw in physicists, they take a quantum look. Scientists from Osaka Metropolitan University and the University of Tokyo have successfully used ...
Condensed Matter
Oct 11, 2024
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130
Harnessing quantum principles: Phased arrays within phased arrays for smarter, greener indoor optical wireless networks
Imagine a future where indoor wireless communication systems handle skyrocketing data demands and do so with unmatched reliability and speed. Traditional radio frequency (RF) technologies like Wi-Fi and Bluetooth are beginning ...
Physicists reveal nonlinear transport induced by quantum geometry in planar altermagnets
In recent years, many physicists and materials scientists have been studying a newly uncovered class of magnetic materials known as altermagnets. These materials exhibit a unique type of magnetism that differs from both conventional ...
New photonics approach enhances quantum computation efficiency
A recent study, published in Nature Photonics, by Prof. Yaron Bromberg and Dr. Ohad Lib from the Racah Institute of Physics at the Hebrew University of Jerusalem has made significant strides in advancing quantum computing ...
Optics & Photonics
Oct 9, 2024
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69
Merging atomic clocks with quantum computers could lead to ultraprecise measurements of laws of nature
Physicists like to measure things, and they like those measurements to be as precise as possible. That means working at unfathomably small scales, where distances are much smaller than even the diameters of subatomic particles. ...
General Physics
Oct 9, 2024
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114
Novel technique for observing atomic-level changes could unlock potential of quantum materials
A research team led by the Department of Energy's Oak Ridge National Laboratory has devised a unique method to observe changes in materials at the atomic level. The technique opens new avenues for understanding and developing ...
Condensed Matter
Oct 9, 2024
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38
Accelerator studies propel quantum research into a higher energy orbit
Physicists share a common interest in understanding how the physical world works. For example, when a particle physicist breaks apart a particle into smaller pieces, they ask themselves: are those the smallest pieces we can ...
General Physics
Oct 9, 2024
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Quantum physicists tap into entanglement to improve the precision of optical atomic clocks
Imagine walking into a room where several different grandfather clocks hang on the walls, each ticking at a different pace. Quantum physicists at the University of Colorado Boulder and the National Institute of Standards ...
Optics & Photonics
Oct 9, 2024
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276
Quantum register reaches 1,200 neutral atoms in continuous operation
A team of physicists led by Johannes Zeiher, research group leader in Immanuel Bloch's Quantum Many-Body Systems department and co-founder of the MPQ spin-off planqc, has achieved significant progress in scaling up quantum ...
Optics & Photonics
Oct 9, 2024
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109
Physics team uncovers a quantum Mpemba effect with a host of 'cool' implications
Initially investigating out of pure curiosity, researchers have made a discovery that bridges the gap between Aristotle's observations two millennia ago and modern-day understanding, while opening the door to a whole host ...
General Physics
Oct 8, 2024
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105
Detecting Planck-scale dark matter by leveraging quantum interference
While various studies have hinted at the existence of dark matter, its nature, composition and underlying physics remain poorly understood.
AI predicts optical properties to speed up the discovery of energy and quantum materials
Researchers from Tohoku University and the Massachusetts Institute of Technology (MIT) have unveiled a new AI tool for high-quality optical spectra with the same accuracy as quantum simulations, but working a million times ...
Optics & Photonics
Oct 7, 2024
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Unlocking heat management with quantum thermal transistors
Scientists are finding ways to use quantum effects to create groundbreaking thermal devices that can help cool electronic systems. The quantum thermal transistor is one of the most exciting innovations in this field. While ...
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Physicists achieve ultrafast steering of quantum-entangled electrons
Latent information carried by photons enables super-precise spectrometer
A brown ale or hoppy lager? Even fruit flies have a preference
Changing watering practices to improve tomato plant health
