Search results for quantum particles:
Rochester physicist's quantum-'uncollapse' hypothesis verified
Aug 06, 2008 |
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In 2006, Andrew Jordan, professor of physics and astronomy at the University of Rochester, together with Alexander Korotkov at the University of California, Riverside, spelled out how to exploit a quantum quirk to accomplish ...
Straightening messy correlations with a quantum comb
Nov 23, 2009 |
4.8 / 5 (9) |
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Quantum computing promises ultra-fast communication, computation and more powerful ways to encrypt sensitive information. But trying to use quantum states as carriers of information is an extremely delicate ...
What happens when you pop a quantum balloon?
Apr 17, 2008 |
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When a tiny, quantum-scale, hypothetical balloon is popped in a vacuum, do the particles inside spread out all over the place as predicted by classical mechanics?
Quantum ghosts are helpful
Apr 27, 2009 |
3.5 / 5 (19) |
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(PhysOrg.com) -- The idea that far distant particles can somehow 'talk' to each other worried Einstein so much that he called it 'spooky action at a distance'.
Deterministic entanglement swapping: First successful implementation of a technique for quantum computers
Oct 26, 2008 |
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(PhysOrg.com) -- Scientists led by Rainer Blatt, Markus Hennrich and Mark Riebe of the Institute for Experimental Physics at Innsbruck University recently succeeded for the first time in realizing a deterministic ...
Silicon chips for optical quantum technologies
Mar 27, 2008 |
4.8 / 5 (14) |
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A team of physicists and engineers has demonstrated exquisite control of single particles of light – photons – on a silicon chip to make a major advance towards the long sought after goal of a super-powerful quantum computer.
New genre of sugar-coated 'quantum dots' for drug delivery
Nanotechnology / Bio & Medicine
Mar 04, 2009 |
5 / 5 (7) |
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(PhysOrg.com) -- Scientists in Switzerland are reporting an advance that could help tap the much-heralded potential of “quantum dots”— nanocrystals that glow when exposed to ultraviolet light — in the treatment of cancer ...
Vanquishing infinity: Old methods lead to a new approach to finding a quantum theory of gravity
Aug 17, 2009 |
4.3 / 5 (11) |
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Quantum mechanics and Einstein's theory of general relativity are both extremely accurate theories of how the universe works, but all attempts to combine the two into a unified theory have ended in failure. ...
Quantum technologies move a step closer with the demonstration of an 'entanglement' filter
Jan 22, 2009 |
4.6 / 5 (8) |
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(PhysOrg.com) -- A team of physicists and engineers has demonstrated an optical device that filters two particles of light (or photons) based on the correlations between their polarisation that are only allowed in the seemingly ...
Entanglement without Classical Correlations
Aug 27, 2008 |
4.1 / 5 (60) |
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Quantum mechanics is full of counterintuitive concepts. The idea of entanglement – when two or more particles instantaneously exhibit dependent characteristics when measured, no matter how far apart they are – is one of them. ...
Turning 'funky' quantum mysteries into computing reality
Feb 16, 2008 |
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The strange world of quantum mechanics can provide a way to surpass limits in speed, efficiency and accuracy of computing, communications and measurement, according to research by MIT scientist Seth Lloyd.
Exerting better control over matter waves
Mar 27, 2009 |
4.6 / 5 (29) |
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(PhysOrg.com) -- “The concept of matter waves is at the heart of quantum mechanics,” Oliver Morsch tells PhysOrg.com. “At the beginning of the last century, scientists discovered that solid particles could exhibit proper ...
Siemens builds a lock made of light: Data transfer using quantum cryptography
Aug 01, 2008 |
4.5 / 5 (14) |
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(PhysOrg.com) -- Electronic communication is becoming more secure all over the world. Siemens IT Solutions and Services, Austrian Research Centers (ARC) and Graz University of Technology have joined forces ...
'Strained' quantum dots show new optical properties
Dec 07, 2008 |
4.4 / 5 (8) |
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Quantum dots, tiny luminescent particles made of semiconductors, hold promise for detecting and treating cancer earlier. However, if doctors were to use them in humans, quantum dots could have limitations related to their ...
Physicists make discovery in quantum mechanics
Sep 23, 2009 |
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(Santa Barbara, Calif.) -- Physicists at UC Santa Barbara have made an important advance in quantum mechanics using a superconducting electrical circuit. The finding is reported in this week's issue of the journal Nature.
