Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
1,779,407,747 visitors served.
forum mailing list For webmasters
?
New: Language forums
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

quantum computer
(redirected from Practical quantum computer)

    Also found in: Wikipedia 0.01 sec.
quantum computer [′kwän·təm kəm¦pyüd·ər]
(computer science)
A computer in which the time evolution of the state of the individual switching elements of the computer is governed by the laws of quantum mechanics.
(computer)quantum computer - A type of computer which uses the ability of quantum systems, such as a collection of atoms, to be in many different states at once. In theory, such superpositions allow the computer to perform many different computations simultaneously. This capability is combined with interference among the states to produce answers to some problems, such as factoring integers, much more rapidly than is possible with conventional computers. In practice, such machines have not yet been built due to their extreme sensitivity to noise.

Oxford University, Stanford University.

A quantum search algorithm for constraint satisfaction problems exhibits the phase transition for NP-complete problems.


How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link
 Email
Feedback
? Mentioned in ? References in periodicals archive
 
Practical quantum computers will require manipulations of a few dozen to a million or so ions in close proximity, Monroe says.
Quantum chip: device handles ions as if they were data by Weiss, P. / Science News
Since a practical quantum computer will require extended coherent times, a detailed investigation and understanding of all possible decoherence modes is important.
Source of decoherence in Josephson qubits indentified by NIST ... by Journal of Research of the National Institute of Standards and Technology
One expectation that many of these scientists share is this: Practical quantum computers won't be built for decades, at least.
Gadgets from the quantum spookhouse: navigation devices and other ... by Weiss, Peter Ulrich / Science News
More results
 
Encyclopedia browser? ? Full browser
 
 
Encyclopedia
?

Disclaimer | Privacy policy | Feedback | Copyright © 2009 Farlex, Inc.
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Terms of Use.