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 Physics
May 28, 2009
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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 ...
(PhysOrg.com) -- When it comes to nonlocal correlations, some correlations are more nonlocal than others. As the subject of study for several decades, nonlocal correlations (for example, quantum entanglement) exist between ...
(Santa Barbara, Calif.) -- In the quest for quantum information processing, diamonds may be a physicist's best friend.
Quantum Physics
Apr 15, 2009
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(PhysOrg.com) -- Physicists at the National Institute of Standards and Technology have demonstrated a new ion trap that enables ions to go through an intersection while keeping their cool. Ten million times cooler than in ...
General Physics
Apr 8, 2009
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(PhysOrg.com) -- When physicists entangle light, they usually use nonlinear crystals as the source. However, it’s difficult to control the entanglement generation process in a bulk crystal, and so scientists have been looking ...
Recent commentary has suggested that the extent to which anomaly theories have become ingrained in the minds of academics and popular commentators alike has led to certain common assumptions and misconceptions about Clarke's ...
Other
Mar 26, 2009
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(PhysOrg.com) -- Quantum information processing is one of the hottest areas of science and technology right now. Making quantum information processing scalable is an important part of the efforts involved with regard to practical ...
Evolutionary theorist Alastair Clarke has today published details of eight patterns he claims to be the basis of all the humour that has ever been imagined or expressed, regardless of civilization, culture or personal taste.
Social Sciences
Mar 20, 2009
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