Search results for quantum physics:
Podcast: Reproducing a Black Hole in the Laboratory, and other Quantum Theories
Aug 27, 2009 |
5 / 5 (2) |
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In a recent study, Professor of Physics and Astronomy Miles Blencowe and his colleagues proposed a new way of creating a reproduction black hole in the laboratory.
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'.
Quantum paradox directly observed -- a milestone in quantum mechanics
Mar 04, 2009 |
4.1 / 5 (35) |
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In quantum mechanics, a vanguard of physics where science often merges into philosophy, much of our understanding is based on conjecture and probabilities, but a group of researchers in Japan has moved one ...
Researchers Design Triple Quantum Dot for Quantum Information Applications
Nov 30, 2009 |
4.7 / 5 (13) |
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(PhysOrg.com) -- While quantum dots have existed since the 1980s, only in the past decade have physicists successfully created lateral few-electron single quantum dots. These quantum dots enable physicists ...
Physicists make discovery in quantum mechanics
Sep 23, 2009 |
4.3 / 5 (27) |
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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.
'Self-correcting' gates advance quantum computing
Mar 12, 2009 |
4.6 / 5 (14) |
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(PhysOrg.com) -- Two Dartmouth researchers have found a way to develop more robust “quantum gates,” which are the elementary building blocks of quantum circuits. Quantum circuits, someday, will be used to ...
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 ...
Pushing quantum mechanics to higher levels
Aug 11, 2009 |
3.8 / 5 (8) |
1
Scientists at UC Santa Barbara have devised a new type of superconducting circuit that behaves quantum mechanically -- but has up to five levels of energy instead of the usual two. The findings are published ...
Quantum computers will require complex software to manage errors
Apr 08, 2009 |
3.4 / 5 (8) |
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(PhysOrg.com) -- Highlighting another challenge to the development of quantum computers, theorists at the National Institute of Standards and Technology have shown* that a type of software operation, proposed ...
Scientists create first electronic quantum processor
Jun 28, 2009 |
4.8 / 5 (58) |
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A team led by Yale University researchers has created the first rudimentary solid-state quantum processor, taking another step toward the ultimate dream of building a quantum computer.
Too much entanglement can render quantum computers useless
May 25, 2009 |
4.8 / 5 (20) |
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(PhysOrg.com) -- "For certain tasks, quantum computers are more powerful than their classical counterparts. The task to be performed is the same for quantum or classical systems. However, the former ones can do it in a more ...
Researchers putting a freeze on oscillator vibrations
Jun 17, 2009 |
4.4 / 5 (5) |
3
University of Oregon physicists have successfully landed a one-two punch on a tiny glass sphere, refrigerating it in liquid helium and then dosing its perimeter with a laser beam, to bring its naturally occurring mechanical ...
Controllable double quantum dots and Klein tunneling in nanotubes
May 14, 2009 |
not rated yet |
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Researchers from the Kavli Institute of NanoScience in Delft are the first to have successfully captured a single electron in a highly tunable carbon nanotube double quantum dot. This was made possible by a new approach for ...
Scientists demonstrate all-fiber quantum logic
May 28, 2009 |
4.3 / 5 (12) |
3
A team of physicists and engineers have demonstrated all-fibre quantum logic, where single photons are generated and used to perform the controlled-NOT quantum logic gate in optical fibres with high fidelity.
Quantum dots as midinfrared emitters
Feb 23, 2009 |
4.1 / 5 (10) |
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(PhysOrg.com) -- “People are interested in the mid-infrared,” Dan Wasserman tells PhysOrg.com. Infrared light has a wavelength longer than visible light, and many molecules have numerous very strong optical resonances in the ...
