Quantum computers are experimental devices that offer large speedups on some computational problems. One promising approach to building them involves harnessing nanometer-scale atomic defects in diamond materials.
Quantum Physics
May 26, 2017
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Quantum entanglement, one of the most intriguing features of multi-particle quantum systems, has become a fundamental building block in both quantum information processing and quantum computation. If two particles are entangled, ...
Quantum Physics
May 8, 2017
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Control of light-matter interaction is central to fundamental phenomena and technologies such as photosynthesis, lasers, LEDs and solar cells. City College of New York researchers have now demonstrated a new class of artificial ...
Optics & Photonics
May 5, 2017
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849
To really take off, advanced quantum information processing will require getting a better (experimental) grasp of an essential phenomenon called "indistinguishable photons." A high degree of "indistinguishability" requires ...
Quantum Physics
Apr 11, 2017
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(Phys.org)—In a new study, physicists have shown a way to establish real entanglement between two identical particles—a topic that has been disputed until now. The results provide a better understanding of the fundamental ...
Why was 6 afraid of 7? Because 789. Whether this pun makes you giggle or groan in pain, your reaction is a consequence of the ambiguity of the joke. Thus far, models have not been able to fully account for the complexity ...
Quantum Physics
Mar 17, 2017
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The encryption codes that safeguard internet data today won't be secure forever.
Mathematics
Feb 28, 2017
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Researchers have discovered half-quantum vortices in superfluid helium. This vortex is a topological defect, exhibited in superfluids and superconductors, which carries a fixed amount of circulating current. These objects ...
Quantum Physics
Dec 14, 2016
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Scientists from the Institute of Physics and Technology of the Russian Academy of Sciences and MIPT have let two electrons loose in a system of quantum dots to create a quantum computer memory cell of a higher dimension than ...
Quantum Physics
Dec 13, 2016
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420
Physicists at the University of Bath have developed a technique to more reliably produce single photons that can be imprinted with quantum information.
Optics & Photonics
Nov 24, 2016
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917
