Physicists at the National Institute of Standards and Technology have demonstrated the first "universal" programmable quantum information processor able to run any program allowed by quantum mechanics -- the rules governing ...
Quantum Physics
Nov 15, 2009
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(PhysOrg.com) -- In recent years, quantum computers have lost some of their luster. In the 1990s, it seemed that they might be able to solve a class of difficult but common problems — the so-called NP-complete problems ...
Quantum Physics
Oct 9, 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.
Quantum Physics
Sep 23, 2009
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(PhysOrg.com) -- Diamonds, it has long been said, are a girl's best friend. But a research team including a physicist from the National Institute of Standards and Technology has recently found that the gems might turn out ...
Quantum Physics
Sep 22, 2009
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Raising prospects for building a practical quantum computer, physicists at the National Institute of Standards and Technology have demonstrated sustained, reliable information processing operations on electrically charged ...
Quantum Physics
Aug 6, 2009
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Physicists at the National Institute of Standards and Technology have overcome a hurdle in quantum computer development, having devised a viable way to manipulate a single "bit" in a quantum processor without disturbing the ...
Quantum Physics
Jul 7, 2009
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(PhysOrg.com) -- A University of Queensland physicist is seeking answers to a persistent problem throughout human history: how do I compute things? None, however, have had the same impact as what we today know as simply the ...
Quantum Physics
Jul 6, 2009
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Physicists have found a way to drastically prolong the shelf life of quantum bits, the 0s and 1s of quantum computers.
Quantum Physics
Jun 24, 2009
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(PhysOrg.com) -- Since 1994, when Peter Shor famously showed that a quantum computer could factor large numbers exponentially faster than any current classical algorithm, physicists have been investigating a variety of quantum ...
(PhsyOrg.com) -- Researchers at the National Institute of Standards and Technology have demonstrated a technique for efficiently suppressing errors in quantum computers. The advance could eventually make it much easier to ...
Quantum Physics
Apr 22, 2009
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