(PhysOrg.com) -- Thanks to advances in experimental design, physicists at the National Institute of Standards and Technology (NIST) have achieved a record-low probability of error in quantum information processing with a ...
Quantum Physics
Aug 31, 2011
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Scientists have taken the next major step toward quantum computing, which will use quantum mechanics to revolutionize the way information is processed.
Quantum Physics
Jul 20, 2011
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Professor Jeremy O'Brien, Director of the University of Bristol's Centre for Quantum Photonics, and his Japanese colleagues have demonstrated a quantum logic gate acting on four particles of light -- photons. The researchers ...
Quantum Physics
Jun 24, 2011
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A quantum computer is a device -- still largely theoretical -- that could perform some types of calculations much more rapidly than classical computers. While a bit in a classical computer can represent either 0 or 1, a quantum ...
Quantum Physics
Jun 2, 2011
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(PhysOrg.com) -- For more than two decades, scientists have been "watching" electrons in atoms make the jump between energy levels in real time. "Atoms have energy levels, and when electrons 'jump' from one level to another, ...
(PhysOrg.com) -- Quantum physicists from the University of Innsbruck (Austria) have set another world record: They have achieved controlled entanglement of 14 quantum bits (qubits) and, thus, realized the largest quantum ...
Quantum Physics
Apr 1, 2011
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(PhysOrg.com) -- Northwestern University researchers have developed a new switching device that takes quantum communication to a new level. The device is a practical step toward creating a network that takes advantage of ...
Quantum Physics
Mar 10, 2011
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(PhysOrg.com) -- One of the subjects of immense interest to scientists (and non-scientists as well) is the development of quantum computers. However, there are many challenges associated with quantum computing. One of the ...
Quantum information processing is arguably one of the most fascinating facets of modern quantum physics.
Optics & Photonics
Nov 30, 2010
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Cooling molecules with lasers is harder than cooling individual atoms with lasers. The very process of laser cooling, in which atoms are buffeted by thousands of photons, was thought by many to be impossible for molecules ...
General Physics
Oct 21, 2010
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