A research team led by Australian engineers has created the first working quantum bit based on a single atom in silicon, opening the way to ultra-powerful quantum computers of the future.
Sep 19, 2012
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(Phys.org)—Read heads in hard drives, lasers in DVD players, transistors on computer chips, and many other components all contain ultrathin films of metal or semiconductor materials. Stresses arise in thin ...
Sep 13, 2012
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An international team led by University of Toronto physicists has developed a simple new technique using Scotch poster tape that has enabled them to induce high-temperature superconductivity in a semiconductor ...
Sep 11, 2012
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(Phys.org)—"Quantum weirdness," a phrase related to the power and the un-intuitive nature of quantum reality, is expected to facilitate speeded-up computation—quantum computing—for performing certain ...
Sep 10, 2012
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Physicists at the University of Vienna and the Austrian Academy of Sciences have achieved quantum teleportation over a record distance of 143 km. The experiment is a major step towards satellite-based quantum ...
Sep 05, 2012
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(Phys.org)—In a paper published in Nature Nanontechnology on September 2, 2012, scientists from the DOE's Brookhaven National Laboratory and Columbia University's departments of Chemistry and of Applie ...
Sep 04, 2012
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Elementary particles have a property called "spin" that can be thought of as rotation around their axes. In work reported this week in the journal Physical Review Letters, MIT physicists have imposed a stri ...
Aug 30, 2012
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(Phys.org)—Researchers from The Australian National University have taken a quantum leap towards developing the next-generation super-fast networks needed to drive future computing.
Aug 30, 2012
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Computing prime factors may sound like an elementary math problem, but try it with a large number, say one that contains more than 600 digits, and the task becomes enormously challenging and impossibly time-consuming. ...
Aug 19, 2012
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Quantum computers promise to reach computation speeds far beyond that of today's computers. As they would use quantum effects, however, they would also be susceptible to external interferences. Information ...
Aug 16, 2012
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(Phys.org) -- Take that, sports cars! Physicists at the National Institute of Standards and Technology (NIST) can accelerate their beryllium ions from zero to 100 miles per hour and stop them in just a few microseconds. What's ...
Aug 09, 2012
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(Phys.org) -- With all the talk of quantum computers, little notice has been made of work on what is known as a quantum Internet, which is where data is sent across a web of computers via devices that work ...
Aug 07, 2012
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An international collaboration led by physicists of the University of Vienna shines new light on the question of the resources required for achieving quantum information processing. The scientists demonstrate ...
Aug 06, 2012
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(Phys.org) -- Scientists have taken a quantum leap forward towards future computing after discovering that ‘background interference’ in quantum-level measurements, may be the very thing they need ...
Aug 06, 2012
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In theory, quantum computers should be able to perform certain kinds of complex calculations much faster than conventional computers, and quantum-based communication could be invulnerable to eavesdropping. ...
Jul 25, 2012
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