Last update:
Quantum Physics news
Researchers build new device that is a foundation for quantum computing
Scientists led by the University of Massachusetts Amherst have adapted a device called a microwave circulator for use in quantum computers, allowing them for the first time to precisely tune the exact degree of nonreciprocity ...
Quantum Physics
17 hours ago
0
82
New work reveals the 'quantumness' of gravity
Gravity is part of our everyday life. Still, the gravitational force remains mysterious: to this day we do not understand whether its ultimate nature is geometrical, as Einstein envisaged, or governed by the laws of quantum ...
General Physics
18 hours ago
0
290
Generating graph states of atomic ensembles via photon-mediated entanglement
Graph states, a class of entangled quantum states that can be represented by graphs, have been the topic of numerous recent physics studies, due to their intriguing properties. These unique properties could make them particularly ...
Physicists discover new way to make strange metal
By tinkering with a quantum material characterized by atoms arranged in the shape of a sheriff's star, MIT physicists and colleagues have unexpectedly discovered a new way to make a state of matter known as a strange metal. ...
Condensed Matter
22 hours ago
0
78
Scientists show that there is indeed an 'entropy' of quantum entanglement
Bartosz Regula from the RIKEN Center for Quantum Computing and Ludovico Lami from the University of Amsterdam have shown, through probabilistic calculations, that there is indeed, as had been hypothesized, a rule of entropy ...
Quantum Physics
23 hours ago
0
237
New system boosts efficiency of quantum error correction
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 are so easily disturbed—and ...
Quantum Physics
Apr 29, 2024
0
76
Laser excitation of Th-229 nucleus: New findings suggest classical quantum physics and nuclear physics can be combined
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 revolutionary technological ...
General Physics
Apr 29, 2024
0
228
Quantum challenge to be solved one mile underground
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 Waterloo in Canada are now ...
Quantum Physics
Apr 29, 2024
0
26
Researchers discover 'topological Kerr effect' in two-dimensional quantum magnets
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, researchers introduced the ...
Condensed Matter
Apr 29, 2024
0
14
The end of the quantum tunnel: Exact instanton transseries for quantum mechanics
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 mathematical computation. ...
Quantum Physics
Apr 26, 2024
0
60
Unveiling a new quantum frontier: Frequency-domain entanglement
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 beam splitter, which has ...
Optics & Photonics
Apr 26, 2024
0
937
Research demonstrates a new mechanism of order formation in quantum systems
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 increasing particle motility ...
Condensed Matter
Apr 26, 2024
0
94
Demonstration of heralded three-photon entanglement on a photonic chip
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 eventually outperform conventional ...
Scientists tune the entanglement structure in an array of qubits
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 of the properties that explain ...
Superconductivity
Apr 24, 2024
0
26
Lead-vacancy centers in diamond as building blocks for large-scale quantum networks
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, forming the foundation for building ...
Optics & Photonics
Apr 24, 2024
0
37
Light stands still in a deformed crystal
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 researchers show that even ...
Optics & Photonics
Apr 24, 2024
3
148
Scientists at the MAJORANA Collaboration look for rule-violating electrons
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. Alessio Porcelli has published ...
Tailoring electron vortex beams with customizable intensity patterns by electron diffraction holography
A new research study from Opto-Electronic Advances discusses tailoring electron vortex beams with customizable intensity patterns by electron diffraction holography.
Optics & Photonics
Apr 23, 2024
0
33
The big quantum chill: Scientists modify common lab refrigerator to cool faster with less energy
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 required to cool materials to ...
Condensed Matter
Apr 23, 2024
0
63
Manipulating the geometry of the 'electron universe' in magnets
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 structure of electronic quantum ...
Condensed Matter
Apr 23, 2024
0
79