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Quantum Physics news
New upgrade will supercharge atomic vision of the world's most powerful X-ray laser
The Department of Energy (DOE) has given the green light for construction to begin on a high-energy upgrade that will further boost the performance of the Linac Coherent Light Source (LCLS), the world's most powerful X-ray ...
Optics & Photonics
2 hours ago
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Exploiting quantum squeezing to enhance precision of measurements in systems with multiple factors
Quantum squeezing is a concept in quantum physics where the uncertainty in one aspect of a system is reduced while the uncertainty in another related aspect is increased.
Quantum Physics
3 hours ago
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Security protocol leverages quantum mechanics to shield data from attackers during cloud-based computation
Deep-learning models are being used in many fields, from health care diagnostics to financial forecasting. However, these models are so computationally intensive that they require the use of powerful cloud-based servers.
General Physics
Sep 26, 2024
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A detailed microscopic theory: Lifting the veil of topological censorship
Topological protection provides unprecedented robustness of physical phenomena against all kinds of perturbations; but in doing so, it exercises topological censorship by hiding all kinds of interesting and important microscopic ...
Condensed Matter
Sep 25, 2024
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A versatile approach to realize quantum-enhanced metrology with large Fock states
The collecting of highly precise measurements can enable research developments and technological advancements in numerous fields. In physics, high-precision measurements can unveil new phenomena and experimentally validate ...
Team studies the emergence of fluctuating hydrodynamics in chaotic quantum systems
Researchers at Ludwig-Maximilians-Universität, Max-Planck-Institut für Quantenoptik, Munich Center for Quantum Science and Technology (MCQST) and the University of Massachusetts recently carried out a study investigating ...
Controlling light while measuring trapped ion qubits
Quantum information is fragile and often difficult to protect during experiments. Protecting qubits from accidental measurements is essential for controlled quantum operations, especially during state-destroying measurements ...
Optics & Photonics
Sep 23, 2024
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Physicists use quantum correlations of photon pairs to hide images from standard cameras
What if you could hide an image in plain sight—so well that even the most advanced cameras couldn't detect it? Imagine encoding visual information using the properties of quantum optics, rendering it invisible to normal ...
Even the heaviest particles experience the usual quantum weirdness, new experiment shows
One of the most surprising predictions of physics is entanglement, a phenomenon where objects can be some distance apart but still linked together. The best-known examples of entanglement involve tiny chunks of light (photons), ...
Quantum Physics
Sep 21, 2024
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Mysteries of the bizarre 'pseudogap' in quantum physics finally untangled
By cleverly applying a computational technique, scientists have made a breakthrough in understanding the "pseudogap," a long-standing puzzle in quantum physics with close ties to superconductivity. The discovery, presented ...
Superconductivity
Sep 19, 2024
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126
Topological quantum computers a step closer with new method to 'split' electrons
The topological quantum computer still exists only in theory but, if possible, would be the most stable and powerful computing machine in the world. However, it requires a special type of qubit (quantum bit) that has yet ...
Condensed Matter
Sep 19, 2024
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Were Bohr and von Neumann really in conflict over quantum measurements?
Analysis suggests that the two pioneers of quantum mechanics, Niels Bohr and John von Neumann, may have had more similar views than previously thought regarding the nature of quantum systems, and the classical apparatus used ...
Quantum Physics
Sep 19, 2024
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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
Sep 18, 2024
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206
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
Sep 18, 2024
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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
Sep 18, 2024
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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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103
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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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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164
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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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
More news
Physicists achieve ultrafast steering of quantum-entangled electrons
Latent information carried by photons enables super-precise spectrometer
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