News tagged with quantum bit
Related topics: quantum computing
Scientists build 'single-atom transistor'
(PhysOrg.com) -- Researchers from Helsinki University of Technology (Finland), University of New South Wales (Australia), and University of Melbourne (Australia) have succeeded in building a working transistor, ...
Dec 06, 2009 |
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Straightening messy correlations with a quantum comb
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 ...
Nov 23, 2009 |
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Scientists demonstrate 'universal' programmable quantum processor
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 -- th ...
Nov 15, 2009 |
4.5 / 5 (25) |
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Quantum computing may actually be useful, after all
(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 ...
Oct 09, 2009 |
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Physicists make discovery in quantum mechanics
(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.
Sep 23, 2009 |
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Diamonds May Be the Ultimate MRI Probe, Say Quantum Physicists
(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 ...
Sep 22, 2009 |
4.5 / 5 (11) |
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Sustained quantum information processing demonstrated
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 ...
Aug 06, 2009 |
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Physicists find way to control individual bits in quantum computers
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 ...
Jul 07, 2009 |
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Physicist takes a quantum leap
(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 ...
Jul 06, 2009 |
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Lasers can lengthen quantum bit memory by 1,000 times
Physicists have found a way to drastically prolong the shelf life of quantum bits, the 0s and 1s of quantum computers.
Jun 24, 2009 |
4.4 / 5 (11) |
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Physicists Propose New Ultracold Scheme for Scalable Quantum Information Processing
(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 ...
Jun 03, 2009 |
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Physicists develop powerful method of suppressing errors in many types of quantum computers
(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 ...
Apr 22, 2009 |
4.3 / 5 (8) |
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Quantum computers will require complex software to manage errors
(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 ...
Apr 08, 2009 |
3.4 / 5 (8) |
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'Self-correcting' gates advance quantum computing
(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 ...
Mar 12, 2009 |
4.4 / 5 (15) |
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Long-Distance Teleportation Between Two Atoms: First between atoms 1 meter apart
(PhysOrg.com) -- For the first time, scientists have successfully teleported information between two separate atoms in unconnected enclosures a meter apart - a significant milestone in the global quest for ...
Jan 22, 2009 |
4.8 / 5 (28) |
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