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Quantum Physics news
LHC experiments observe quantum entanglement at the highest energy yet
Quantum entanglement is a fascinating feature of quantum physics—the theory of the very small. If two particles are quantum-entangled, the state of one particle is tied to that of the other, no matter how far apart the ...
General Physics
7 hours ago
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Researchers simplify design of optical atomic clocks without compromising performance
Researchers have demonstrated a new optical atomic clock that uses a single laser and doesn't require cryogenic temperatures. By greatly reducing the size and complexity of atomic clocks without sacrificing accuracy and stability, ...
Quantum Physics
8 hours ago
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61
Different qubit architecture could enable easier manufacturing of quantum computer building blocks
Scientists from the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have shown that a type of qubit whose architecture is more amenable to mass production can perform comparably to qubits currently dominating ...
Quantum Physics
10 hours ago
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Quantum tech breakthrough could enable precision sensing at room temperature
A breakthrough in quantum technology research could help realize a new generation of precise quantum sensors that can operate at room temperature.
Condensed Matter
Sep 17, 2024
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Theoretical physicists develop method to model a central theory of quantum gravity in the laboratory
Gravity is no longer a mystery to physicists—at least when it comes to large distances. Thanks to science, we can calculate the orbits of planets, predict tides, and send rockets into space with precision. However, the ...
General Physics
Sep 16, 2024
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501
Findings from experimental setup demonstrate potential for compact and portable nuclear clocks
Scientists use atomic clocks to measure the "second," the smallest standard unit of time, with great precision. These clocks use natural oscillations of electrons in atoms, similar to how pendulums work in old grandfather ...
General Physics
Sep 13, 2024
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114
Energy transmission in quantum field theory requires information: Research finds surprisingly simple relationship
An international team of researchers has found a surprisingly simple relationship between the rates of energy and information transmission across an interface connecting two quantum field theories. Their work was published ...
Quantum Physics
Sep 13, 2024
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91
Floquet engineering tunes ultracold molecule interactions and produces two-axis twisting dynamics
The interactions between quantum spins underlie some of the universe's most interesting phenomena, such as superconductors and magnets. However, physicists have difficulty engineering controllable systems in the lab that ...
Quantum Physics
Sep 12, 2024
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123
Latent information carried by photons enables super-precise spectrometer
Two researchers at the University of Warsaw developed a quantum-inspired super-resolving spectrometer for short pulses of light. The device designed in the Quantum Optical Devices Lab at the Centre for Quantum Optical Technologies, ...
Optics & Photonics
Sep 12, 2024
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93
Quantum researchers cause controlled 'wobble' in the nucleus of a single atom
Researchers from Delft University of Technology in The Netherlands have been able to initiate a controlled movement in the very heart of an atom. They caused the atomic nucleus to interact with one of the electrons in the ...
Quantum Physics
Sep 12, 2024
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499
Physicists achieve ultrafast steering of quantum-entangled electrons
Researchers at the Max Planck Institute for Nuclear Physics in Heidelberg have succeeded in selectively manipulating the motion of the electron pair in the hydrogen molecule.
Optics & Photonics
Sep 12, 2024
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New classical algorithm enhances understanding of quantum computing's future
In an exciting development for quantum computing, researchers from the University of Chicago's Department of Computer Science, Pritzker School of Molecular Engineering, and Argonne National Laboratory have introduced a classical ...
Quantum Physics
Sep 11, 2024
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120
Discovery of a new phase of matter in 2D defies normal statistical mechanics
Physicists from the Cavendish Laboratory in Cambridge have created the first two-dimensional version of the Bose glass, a novel phase of matter that challenges statistical mechanics. The details of the study have been published ...
General Physics
Sep 11, 2024
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137
Google Quantum AI demonstrates a quantum memory system that greatly reduces error rates
A team of computer scientists at Google Quantum AI has demonstrated a type of quantum memory for a quantum computer that produces far fewer errors than others. The group has published a paper on the arXiv preprint server ...
Scientists demonstrate first experimental evidence of non-Hermitian edge burst in photonic quantum walks
In a new Physical Review Letters study, scientists have demonstrated the first experimental observation of non-Hermitian edge burst in quantum dynamics using a carefully designed photonic quantum walk setup.
Fluctuating hydrodynamics theory could describe chaotic many-body systems, study suggests
Although systems consisting of many interacting small particles can be highly complex and chaotic, some can nonetheless be described using simple theories. Does this also pertain to the world of quantum physics?
Quantum Physics
Sep 9, 2024
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X-rays from atomic systems could reveal new clues about rival quantum theories
The apparent weirdness of the quantum world is often exemplified by the paradox of Schrödinger's imaginary cat that exists in a limbo state of being both alive and dead until looked upon by an observer. But in the real world ...
Quantum Physics
Sep 9, 2024
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154
Scalable, multi-functional device lays groundwork for advanced quantum applications
Researchers have demonstrated a new multi-functional device that could help advance the scalability of solid-state color centers, enabling them to be used in larger and more complex quantum computers and networks. As efficient ...
Optics & Photonics
Sep 9, 2024
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Quantum error correction technology outperforms world's leading quantum computing company, researchers claim
Solving the problem of error is essential for the practical application of quantum computing technologies that surpass the performance of digital computers. Information input into a qubit, the smallest unit of quantum computation, ...
Optics & Photonics
Sep 9, 2024
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New quantum error correction method uses 'many-hypercube codes' while exhibiting beautiful geometry
In work published in Science Advances, Hayato Goto from the RIKEN Center for Quantum Computing in Japan has proposed a new quantum error correction approach using what he calls "many-hypercube codes."
Quantum Physics
Sep 6, 2024
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143