Search results for quantum computation

General Physics 12 hours ago

New ORNL software improves neutron spectroscopy data resolution

Neutron spectroscopy is an important tool for studying magnetic and thermoelectric properties in materials. But often the resolution, or the ability of the instrument to see fine details, is too coarse to clearly observe ...

Quantum Physics Jan 15, 2020

Verifying the output from a quantum computer by comparing it to the output of another quantum computer

A team of researchers from the University of Innsbruck and the Austrian Academy of Sciences has developed a way to verify the output from one quantum computer by comparing it to the output of another quantum computer. In ...

Quantum Physics Jan 14, 2020

How to verify that quantum chips are computing correctly

In a step toward practical quantum computing, researchers from MIT, Google, and elsewhere have designed a system that can verify when quantum chips have accurately performed complex computations that classical computers can't.

Quantum Physics Jan 16, 2020

AlphaZero learns to rule the quantum world

The chess world was amazed when the computer algorithm AlphaZero learned, after just four hours on its own, to beat the best chess programs built on human expertise. Now a research group at Aarhus University in Denmark has ...

Quantum Physics Jan 17, 2020

How sensitive can a quantum detector be?

Quantum physics is moving out of the laboratory and into everyday life. Despite headline results about quantum computers solving problems impossible for classical computers, technical challenges are standing in the way of ...

Condensed Matter Jan 15, 2020

Spinning quantum dots

The name 'quantum dots' is given to particles of semiconducting materials that are so tiny—a few nanometres in diameter—that they no longer behave quite like ordinary, macroscopic matter. Thanks to their quantum-like ...

General Physics Jan 14, 2020

Reliable and extremely fast quantum calculations with germanium transistors

Transistors based on germanium can perform calculations for future quantum computers. This discovery by the team of Menno Veldhorst is reported in Nature.

Quantum Physics Jan 13, 2020

Influential electrons? Physicists uncover a quantum relationship

A team of physicists has mapped how electron energies vary from region to region in a particular quantum state with unprecedented clarity. This understanding reveals an underlying mechanism by which electrons influence one ...

Quantum Physics Jan 16, 2020

What's MER? It's a way to measure quantum materials, and it's telling us new and interesting things

Experimental physicists have combined several measurements of quantum materials into one in their ongoing quest to learn more about manipulating and controlling the behavior of them for possible applications. They even coined ...

Superconductivity Jan 16, 2020

Study finds billions of quantum entangled electrons in 'strange metal'

In a new study, U.S. and Austrian physicists have observed quantum entanglement among "billions of billions" of flowing electrons in a quantum critical material.

page 1 from 23