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Quantum Physics news
Quantum communication: Using microwaves to efficiently control diamond qubits
In a first for Germany, researchers at the Karlsruhe Institute of Technology (KIT) have shown how tin vacancies in diamonds can be precisely controlled using microwaves. These vacancies have special optical and magnetic properties ...
Quantum Physics
Oct 4, 2024
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Direct measurement of a subtle current phase relation shows potential for more stable superconducting qubits
In recent years, quantum physicists and engineers have made significant strides toward the development of highly performing quantum computing systems. Realizing a quantum advantage over classical computing systems and enabling ...
Physicists achieve strong coupling of Andreev qubits via microwave resonator
Physicists from the University of Basel have succeeded in coupling two Andreev qubits coherently over a macroscopic distance for the first time. They achieved this with the help of microwave photons generated in a narrow ...
Quantum Physics
Oct 3, 2024
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Quantum researchers come up with a recipe that could accelerate drug development
University of Copenhagen mathematicians have developed a recipe for upgrading quantum computers to simulate complex quantum systems, such as molecules. Their discovery brings us closer to being able to predict how new drugs ...
Quantum Physics
Oct 3, 2024
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Quantum research paves the way toward efficient, ultra-high-density optical memory storage
As our digital world generates massive amounts of data—more than 2 quintillion bytes of new content each day—yesterday's storage technologies are quickly reaching their limits. Optical memory devices, which use light ...
Optics & Photonics
Oct 2, 2024
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New materials and techniques show promise for microelectronics and quantum technologies
As phones and computers shrink in size, our need for data storage and transfer is growing. Electronic devices have been powered by semiconductors for decades, but as the push to miniaturize continues, there's a limit to how ...
Condensed Matter
Oct 2, 2024
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Proof-of-concept design shrinks quantum rotation sensor to micron scale
Atom interferometers are quantum sensors that use the wave-like nature of atoms to measure gravity, acceleration and rotation with exceptional precision.
Quantum Physics
Oct 1, 2024
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First-ever teleportation of logical qubit using fault-tolerant methods
A team of engineers and physicists at quantum computing company Quantinuum has conducted the first-ever teleportation of a logical qubit using fault-tolerant methods. In their paper published in the journal Science, the group ...
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
Sep 27, 2024
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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
Sep 27, 2024
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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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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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More news
Physicists achieve ultrafast steering of quantum-entangled electrons
Latent information carried by photons enables super-precise spectrometer
Why are black holes stable against their own gravity?
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