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Quantum Physics news
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
2 hours ago
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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
3 hours ago
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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
22 hours ago
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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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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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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
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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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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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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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Quantum simulators: When nature reveals its natural laws
Quantum physics is a very diverse field: it describes particle collisions shortly after the Big Bang as well as electrons in solid materials or atoms far out in space. But not all quantum objects are equally easy to study. ...
Quantum Physics
Jan 7, 2025
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The first observation of time-domain oscillations between two distant semiconductor spin qubits
Quantum computing holds the promise of outperforming classical computing on some optimization and data processing tasks. The creation of highly performing large-scale quantum computers, however, relies on the ability to support ...
Quantum phase transition in indium oxide films defies superconductor norms
A team of physicists at Université Grenoble Alpes, CNRS, in France, working with a colleague from Karlsruhe Institute of Technology, in Germany, has observed an odd quantum phase transition in indium oxide films. In their ...
Secret lab developing UK's first quantum clock
A top-secret lab in the UK is developing the country's first quantum clock to help the British military boost intelligence and reconnaissance operations, the defense ministry said Thursday.
Quantum Physics
Jan 2, 2025
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A new calculation of the electron's self-energy improves determination of fundamental constants
When quantum electrodynamics, the quantum field theory of electrons and photons, was being developed after World War II, one of the major challenges for theorists was calculating a value for the Lamb shift, the energy of ...
Researchers achieve calculation of Jones polynomial based on the Majorana zero modes
A research team has experimentally calculated the Jones polynomial based on the quantum simulation of braided Majorana zero modes. The research team determined the Jones polynomials of different links through simulating the ...
Quantum Physics
Dec 30, 2024
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Advancing unidirectional heat flow: The next era of quantum thermal diodes
Heat management at the nanoscale has long been a cornerstone of advanced technological applications, ranging from high-performance electronics to quantum computing. Addressing this critical challenge, we have been deeply ...