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Quantum Physics news
Quantum thermometer uses giant Rydberg atoms to measure temperature more accurately
Scientists at the National Institute of Standards and Technology (NIST) have created a new thermometer using atoms boosted to such high energy levels that they are a thousand times larger than normal. By monitoring how these ...
Quantum Physics
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Boosted tin-based qubit signals enhance quantum communication prospects
The future of tin-based qubits is brighter thanks to breakthrough work by Stanford University researchers. Qubits are the fundamental carriers of quantum information, and scientists worldwide are engineering atoms to create ...
Quantum Physics
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Clocking nature's heaviest elementary particle: CMS tests whether top quarks play by Einstein's rules
In the first study of its kind at the Large Hadron Collider (LHC), the CMS collaboration has tested whether top quarks adhere to Einstein's special theory of relativity. The research is published in the journal Physics Letters ...
General Physics
2 hours ago
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Fox and rabbit in the quantum world: Atomic particles with antagonistic interactions
Researchers at the University of Basel have shown that quantum systems can have antagonistic interactions, too—one agent attracts the other, but the other way around, there is a repulsion. Such interactions could be realized ...
Quantum Physics
3 hours ago
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Physicists pioneer entanglement microscopy algorithm for quantum many-body systems
Quantum entanglement—a phenomenon where particles are mysteriously linked no matter how far apart they are—presents a long-standing challenge in the physical world, particularly in understanding its behavior within complex ...
Quantum Physics
3 hours ago
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Study demonstrates integration of 1,024 silicon quantum dots with on-chip electronics all operating at low temperatures
Quantum computers have the potential of outperforming classical computers on some optimization tasks. Yet scaling up quantum computers leveraging existing fabrication processes while also maintaining good performances and ...
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 ...
More news
Quantum computer helps to answer questions on lattice gauge theory
Collaboration tests new method for protecting quantum networks
Quantum breakthrough may lead to sustainable chiral spintronics
Valence electrons' role in magnetism of molecular crystals explored
Quantum simulators: When nature reveals its natural laws
Secret lab developing UK's first quantum clock
Low-frequency photonic simulator breaks barriers
Other news
By the numbers: Diarylethene crystal orientation controlled for first time
Predicting lab earthquakes with physics-informed AI
Unusual sulfur pathways offer a promising target in a high-priority pathogen
Bacterial changes point to new therapies for Legionnaires' disease
Imagining the physics of George R.R. Martin's fictional universe
Two sub-Neptune exoplanets detected by astronomers
Study reveals rapid shift in loggerhead sea turtles' range
Criteria for promotion to full professorship found to vary greatly around the world
Could the Summerville ghost lantern be an earthquake light?
Scientists develop novel device to modulate polarization of THz waves
Quantum research sheds new light on how cells communicate
Can entangled particles communicate faster than light?
Physicists measure quantum geometry for first time
Scientists observe 'negative time' in quantum experiments
Colliding top quarks reveal hidden quantum 'magic'
Orchid's unique structure reveals new self-pollination mechanism
