# quantum computer

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Related to Quantum algorithms: Grover's algorithm

## 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.

## quantum computer

(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.

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**Oxford University**,**Stanford University**.A

**quantum search algorithm**for constraint satisfaction problems exhibits the phase transition for NP-complete problems.Want to thank TFD for its existence? Tell a friend about us, add a link to this page, or visit the webmaster's page for free fun content.

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