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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 ...

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 ...

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 ...

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 ...

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 ...

Steering toward quantum simulation at scale

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 Laboratory.

Bounding the amount of entanglement from witness operators

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 Physical Review Letters.

Springing simulations forward with quantum computing

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 in science and engineering ...

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Condensed Matter
Beyond equilibrium: Scientists investigate Floquet Fermi liquids
Condensed Matter
A new spin on materials analysis: Benefits of probing electron spin states at much higher resolution and efficiency
Quantum Physics
Crucial connection for 'quantum internet' made for the first time
General Physics
CMS collaboration releases Higgs boson discovery data to the public
Optics & Photonics
Internet can achieve quantum speed with light saved as sound
Optics & Photonics
Researchers control quantum properties of 2D materials with tailored light
General Physics
Machine learning could help reveal undiscovered particles within data from the Large Hadron Collider
Quantum Physics
A balanced quantum Hall resistor provides a new measurement method
Quantum Physics
Combating disruptive 'noise' in quantum communication
Quantum Physics
The experimental demonstration of a verifiable blind quantum computing protocol
General Physics
Searching for new asymmetry between matter and antimatter
Quantum Physics
New advances promise secure quantum computing at home
General Physics
Peter Higgs transformed what we know about the building blocks of the universe
Condensed Matter
Physicists discover a novel quantum state in an elemental solid
Condensed Matter
Quantum crystal of frozen electrons—the Wigner crystal—is visualized for the first time
Quantum Physics
Team is first ever to measure qubits with ultrasensitive thermal detectors, evading Heisenberg uncertainty principle
Condensed Matter
Quantum behavior at room temperature: When laser light makes materials magnetic

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Hydride research pushes frontiers of practical, accessible superconductivity
Molecular & Computational biology
Quantum fiber optics in the brain enhance processing, may protect against degenerative diseases
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European Bison can adapt well to the Mediterranean climate of southern Spain, analysis suggests
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Astronomy
Tidal disruption event ASASSN-19bt experiences unusual radio evolution, observations show
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Scientists reveal how SID-1 recognizes dsRNA and initiates systemic RNA interference
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Details of hurricane Ian's aftermath captured with new remote sensing method
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Reforestation study finds only a few tree species can survive a century of rapid climate change
Materials Science
Researchers improve the plasticity of ceramic materials at room temperature
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Hornets found to be primary pollinators of two Angelica species
Archaeology
Isotopic evidence reveals surprising dietary practices of ancient hunter-gatherers
Analytical Chemistry
Scientists discover a new type of porous material that can store greenhouse gases
Cell & Microbiology
Fruit fly helps unlock clues about how organs, tissue and cancer grow
Plasma Physics
Physicists overcome two key operating hurdles in fusion reactions
Condensed Matter
When does a conductor not conduct? Switching a 2D metal-organic framework from an insulator to a metal

Researchers visualize quantum effects in electron waves

One of the most fundamental interactions in physics is that of electrons and light. In an experiment at Goethe University Frankfurt, scientists have now managed to observe what is known as the Kapitza-Dirac effect for the ...

Classical optical neural network exhibits 'quantum speedup'

In recent years, artificial intelligence technologies, especially machine learning algorithms, have made great strides. These technologies have enabled unprecedented efficiency in tasks such as image recognition, natural ...

100 kilometers of quantum-encrypted transfer

Researchers at DTU have successfully distributed a quantum-secure key using a method called continuous variable quantum key distribution (CV QKD). The researchers have managed to make the method work over a record 100 km ...