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Quantum Physics news
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
15 hours ago
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67
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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6
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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22
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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54
'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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137
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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57
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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89
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
2
243
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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86
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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46
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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15
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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143
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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25
Record cold quantum refrigerator paves way for reliable quantum computers
Quantum computers require extreme cooling to perform reliable calculations. One of the challenges preventing quantum computers from entering society is the difficulty of freezing the qubits to temperatures close to absolute ...
Quantum Physics
Jan 9, 2025
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155
Mathematical methods point to possibility of particles long thought impossible
From the early days of quantum mechanics, scientists have thought that all particles can be categorized into one of two groups—bosons or fermions—based on their behavior.
Condensed Matter
Jan 8, 2025
2
228
Physicists achieve simulation of non-Hermitian skin effect in 2D with ultracold fermions
A research team led by The Hong Kong University of Science and Technology (HKUST) has achieved a groundbreaking quantum simulation of the non-Hermitian skin effect in two dimensions using ultracold fermions, marking a significant ...
Condensed Matter
Jan 8, 2025
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77
Discovery of new class of particles could take quantum mechanics one step further
Amid the many mysteries of quantum physics, subatomic particles don't always follow the rules of the physical world. They can exist in two places at once, pass through solid barriers and even communicate across vast distances ...
Quantum Physics
Jan 8, 2025
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233
Fabricating single-photon detectors from superconducting aluminum nanostrips
In quantum computers, information is often carried by single photons and picked up by structures named superconducting nanostrip single-photon detectors (SNSPDs). In principle, traditional type-I superconductors would be ...
Superconductivity
Jan 7, 2025
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9
More news
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Secret lab developing UK's first quantum clock
Low-frequency photonic simulator breaks barriers
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Physicists measure quantum geometry for first time
Scientists observe 'negative time' in quantum experiments
Colliding top quarks reveal hidden quantum 'magic'
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How do you make a kilogram? Gravity can provide new answers
RNA's biophysical behavior offers new insights into X chromosome inactivation
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Scientists uncover structure of critical component in deadly Nipah virus
Study reveals that, in chimpanzees, peeing is 'contagious'
Economic inequality is a powerful predictor of democratic erosion, study finds
