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Quantum Physics news
From classical to quantum: Reimagining the Mpemba effect at the atomic scale
In a new Nature Communications study, scientists have demonstrated the quantum version of the strong Mpemba effect (sME) in a single trapped ion system.
Illuminating an asymmetric gap in a topological antiferromagnet
Topological insulators (TIs) are among the hottest topics in condensed matter physics today. They're a bit strange: Their surfaces conduct electricity, yet their interiors do not, instead acting as insulators. Physicists ...
Condensed Matter
Jan 21, 2025
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Scientists succeed in trapping molecules to perform quantum operations for the first time
Molecules haven't been used in quantum computing, even though they have the potential to make the ultra-high-speed experimental technology even faster. Their rich internal structures were seen as too complicated, too delicate, ...
Quantum Physics
Jan 21, 2025
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Electrons in twisted graphene form novel 1/3 fractional quantum Hall state
A research team discovered a quantum state in which electrons move in a completely new way under a twisted graphene structure. The unique electronic state is expected to contribute to the development of more efficient and ...
Quantum Physics
Jan 21, 2025
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Newly fabricated crystals control interactions between high-frequency phonons and single quantum systems
Phonons, the quantum mechanical vibrations of atoms in solids, are often sources of noise in solid-state quantum systems, including quantum technologies, which can lead to decoherence and thus adversely impact their performance.
Quantum 'umbilical cord' links metal and insulator states in many materials, study shows
A kind of umbilical cord between different quantum states can be found in some materials. Researchers at TU Wien have now shown that this "umbilical cord" is generic to many materials.
Condensed Matter
Jan 20, 2025
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Redefining the second: Optical atomic clock achieves record accuracy in comparison measurement
The next generation of atomic clocks "ticks" with the frequency of a laser. This is about 100,000 times faster than the microwave frequencies of the cesium clocks which are generating the second at present. These optical ...
Optics & Photonics
Jan 17, 2025
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Quantum engineers 'squeeze' laser frequency combs to make more sensitive gas sensors
For the first time ever, scientists have used a technique called "quantum squeezing" to improve the gas sensing performance of devices known as optical frequency comb lasers. These ultra-precise sensors are like fingerprint ...
Optics & Photonics
Jan 16, 2025
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Chinese researchers discover novel quantum state of matter
Chinese researchers observed a novel quantum state of matter, counterflow superfluidity, in atomic ultracold quantum simulation experiments, the University of Science and Technology of China announced on Thursday.
Condensed Matter
Jan 16, 2025
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'Magic-wavelength optical tweezers' achieve quantum entanglement of molecules
Researchers at Durham University have successfully demonstrated long-lasting quantum entanglement between molecules, opening new doors for future advancements in quantum computing, sensing, and fundamental physics. The paper ...
Quantum Physics
Jan 15, 2025
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Scientists achieve direct experimental realization of dual-type entangling gates
To develop scalable and reliable quantum computers, engineers and physicists will need to devise effective strategies to mitigate errors in their quantum systems without adding complex additional components. A promising strategy ...
Fast control methods enable record-setting fidelity in superconducting qubit
Quantum computing promises to solve complex problems exponentially faster than a classical computer, by using the principles of quantum mechanics to encode and manipulate information in quantum bits (qubits).
Superconductivity
Jan 14, 2025
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Engineering quantum entanglement at the nanoscale
Physicists have spent more than a century measuring and making sense of the strange ways that photons, electrons, and other subatomic particles interact at extremely small scales. Engineers have spent decades figuring out ...
Optics & Photonics
Jan 14, 2025
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Quantum experiment generates long-range entanglement in 54-qubit system
The operation and performance of quantum computers relies on the ability to realize and control entanglement between multiple qubits. Yet entanglement between many qubits is inherently susceptible to noise and imperfections ...
Quantum engineers create a 'Schrödinger's cat' inside a silicon chip
UNSW engineers have demonstrated a well-known quantum thought experiment in the real world. Their findings deliver a new and more robust way to perform quantum computations—and they have important implications for error ...
Quantum Physics
Jan 14, 2025
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Physicists discover and explain unexpected magnetism in atomically thin material
MIT physicists have created a new ultrathin, two-dimensional material with unusual magnetic properties that initially surprised them before they went on to solve the complicated puzzle behind those properties' emergence. ...
Condensed Matter
Jan 13, 2025
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Quantum computer helps to answer questions on lattice gauge theory
Science is always looking for more computing power and more efficient tools capable of answering its questions. Quantum computers are the new frontier in data processing, as they use the quantum properties of matter, such ...
Condensed Matter
Jan 13, 2025
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Collaboration tests new method for protecting quantum networks
Researchers at the Department of Energy's Oak Ridge National Laboratory joined forces with EPB of Chattanooga and the University of Tennessee at Chattanooga to demonstrate the first transmission of an entangled quantum signal ...
Optics & Photonics
Jan 13, 2025
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Quantum breakthrough may lead to sustainable chiral spintronics
A team of physicists led by The City College of New York's Lia Krusin-Elbaum has developed a novel technique that uses hydrogen cations (H+) to manipulate relativistic electronic bandstructures in a magnetic Weyl semimetal—a ...
Quantum Physics
Jan 11, 2025
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Valence electrons' role in magnetism of molecular crystals explored
Molecular crystals with conductivity and magnetism, due to their low impurity concentrations, provide valuable insights into valence electrons. They have helped link charge ordering to superconductivity and to explore quantum ...
Condensed Matter
Jan 10, 2025
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