The fragile qubits that make up quantum computers offer a powerful computational tool, yet also present a conundrum: How can engineers create practical, workable quantum systems out of bits that ...
https://phys.org/news/2024-04-boosts-efficiency-quantum-error.html
Physicists have been hoping for this moment for a long time: For many years, scientists all around the world have been searching for a very specific state of thorium atomic nuclei that promises r...
https://phys.org/news/2024-04-laser-nucleus-classical-quantum-physics.html
Radiation from space is a challenge for quantum computers as their computation time becomes limited by cosmic rays. Researchers from Chalmers University of Technology, Sweden, and University of W...
In a recent collaboration between the High Magnetic Field Center of the Hefei Institutes of Physical Science of Chinese Academy of Sciences, and the University of Science and Technology of China,...
https://phys.org/news/2024-04-topological-kerr-effect-dimensional-quantum.html
In the quantum world, processes can be separated into two distinct classes. One class, that of the so-called "perturbative" phenomena, is relatively easy to detect, both in an experiment and in a...
https://phys.org/news/2024-04-quantum-tunnel-exact-instanton-transseries.html
Scientists have introduced a form of quantum entanglement known as frequency-domain photon number-path entanglement. This advance in quantum physics involves an innovative tool called a frequency...
https://phys.org/news/2024-04-unveiling-quantum-frontier-frequency-domain.html
Researchers Kazuaki Takasan and Kyogo Kawaguchi of the University of Tokyo with Kyosuke Adachi of RIKEN, Japan, have demonstrated that ferromagnetism, an ordered state of atoms, can be induced by...
https://phys.org/news/2024-04-mechanism-formation-quantum.html
Photonic quantum computers are computational tools that leverage quantum physics and utilize particles of light (i.e., photons) as units of information processing. These computers could eventuall...
https://phys.org/news/2024-04-heralded-photon-entanglement-photonic-chip.html
Entanglement is a form of correlation between quantum objects, such as particles at the atomic scale. The laws of classical physics cannot explain this uniquely quantum phenomenon, yet it is one ...
https://phys.org/news/2024-04-scientists-tune-entanglement-array-qubits.html
Much like how electric circuits use components to control electronic signals, quantum networks rely on special components and nodes to transfer quantum information between different points, formi...
https://phys.org/news/2024-04-vacancy-centers-diamond-blocks-large.html
AMOLF researchers, in collaboration with Delft University of Technology, have succeeded in bringing light waves to a halt by deforming the two-dimensional photonic crystal that contains them. The...
In a new study published inNature Physics, scientists at the MAJORANA Collaboration have tested the stringency of charge conservation and Pauli's exclusion principles using underground detectors....
https://phys.org/news/2024-04-scientists-majorana-collaboration-violating-electrons.html
A new research study from Opto-Electronic Advances discusses tailoring electron vortex beams with customizable intensity patterns by electron diffraction holography.
https://phys.org/news/2024-04-tailoring-electron-vortex-customizable-intensity.html
By modifying a refrigerator commonly used in both research and industry, researchers at the National Institute of Standards and Technology (NIST) have drastically reduced the time and energy requ...
https://phys.org/news/2024-04-big-quantum-chill-scientists-common.html
Researchers at Tohoku University and the Japan Atomic Energy Agency have developed fundamental experiments and theories to manipulate the geometry of the "electron universe," which describes the ...
https://phys.org/news/2024-04-geometry-electron-universe-magnets.html
The quantum anomalous Hall effect (QAHE) has unique advantages in topotronic applications, but realizing the QAHE with tunable magnetic and topological properties for building functional devices ...
https://phys.org/news/2024-04-tunable-quantum-anomalous-hall-effects.html
Quantum physics requires high-precision sensing techniques to delve deeper into the microscopic properties of materials. From the analog quantum processors that have emerged recently, quantum-gas...
https://phys.org/news/2024-04-birth-quione-unique-analog-quantum.html
Researchers simulated a key quantum state at one of the largest scales reported, with support from the Quantum Computing User Program, or QCUP, at the Department of Energy's Oak Ridge National La...
Superradiant atoms can help us measure time more precisely than ever. In a recent study, researchers from the University of Copenhagen present a new method for measuring the time interval, the se...
https://phys.org/news/2024-04-superradiant-atoms-boundaries-precisely.html
A team of researchers has proposed an approach to quantify entanglement using the standard entanglement witness procedure under three common experimental scenarios. Their work is published in Phy...
https://phys.org/news/2024-04-bounding-amount-entanglement-witness.html
Though "coupled oscillations" may not sound familiar, they are everywhere in nature. The term "coupled harmonic oscillators" describes interacting systems of masses and springs, but their utility...
An international collaboration of researchers, led by Philip Walther at University of Vienna, have achieved a significant breakthrough in quantum technology, with the successful demonstration of ...
https://phys.org/news/2024-04-compact-quantum-advances-optical.html
Quantum technology is based on the engineering of devices that make use of the quantum properties of matter. One of the most prominent avenues of this technology is quantum computing, which may b...
https://phys.org/news/2024-04-access-burgeoning-quantum-technology-field.html
In principle, one shouldn't compare apples to oranges. However, in topology, which is a branch of mathematics, one must do just that. Apples and oranges, it turns out, are said to be topologicall...
https://phys.org/news/2024-04-reveals-topological-reversal-quantum.html
Electron spin states can now be probed at much higher resolution and more efficiently, opening new opportunities in materials analysis and data processing technologies.
https://phys.org/news/2024-04-materials-analysis-benefits-probing-electron.html
Researchers from Germany and Singapore have studied a non-equilibrium state of Fermi liquids called the Floquet Fermi liquid (FFL), which is formed when Fermi liquids are subjected to a periodic ...
https://phys.org/news/2024-04-equilibrium-scientists-floquet-fermi-liquids.html
Researchers have produced, stored, and retrieved quantum information for the first time, a critical step in quantum networking.
As part of its continued commitment to making its science fully open, the CMS collaboration has just publicly released the combination of CMS measurements that contributed to establishing the dis...
https://phys.org/news/2024-04-cms-collaboration-higgs-boson-discovery.html
A team of scientists has developed a method that harnesses the structure of light to twist and tweak the properties of quantum materials. Their results, published today in Nature, pave the way fo...
https://phys.org/news/2024-04-quantum-properties-2d-materials-tailored.html
Researchers at the University of Copenhagen's Niels Bohr Institute have developed a new way to create quantum memory: A small drum can store data sent with light in its sonic vibrations, and then...