What is quantum computation?

A Ekert, P Hayden, H Inamori, D K L Oi

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

"Information is physical and any processing of information is always performed by physical means," an innocent-sounding statement, but its consequences are profound. When quantum effects become important, for example, at the level of single atoms and photons, the classical theory of computation becomes fundamentally inadequate. Entirely new modes of computation and information processing become possible. In the last few years there has been an explosion of theoretical and experimental research in quantum computation. In this brief review we describe some of these developments.

Original languageEnglish
Pages (from-to)3335-3363
Number of pages29
JournalInternational Journal of Modern Physics A
Volume16
Issue number20
Publication statusPublished - 10 Aug 2001

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quantum computation
sounding
explosions
photons
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Keywords

  • error-correcting codes
  • decoherence
  • quantum computation
  • networks

Cite this

Ekert, A., Hayden, P., Inamori, H., & Oi, D. K. L. (2001). What is quantum computation? International Journal of Modern Physics A , 16(20), 3335-3363.
Ekert, A ; Hayden, P ; Inamori, H ; Oi, D K L . / What is quantum computation?. In: International Journal of Modern Physics A . 2001 ; Vol. 16, No. 20. pp. 3335-3363.
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Ekert, A, Hayden, P, Inamori, H & Oi, DKL 2001, 'What is quantum computation?', International Journal of Modern Physics A , vol. 16, no. 20, pp. 3335-3363.

What is quantum computation? / Ekert, A ; Hayden, P ; Inamori, H ; Oi, D K L .

In: International Journal of Modern Physics A , Vol. 16, No. 20, 10.08.2001, p. 3335-3363.

Research output: Contribution to journalArticle

TY - JOUR

T1 - What is quantum computation?

AU - Ekert, A

AU - Hayden, P

AU - Inamori, H

AU - Oi, D K L

PY - 2001/8/10

Y1 - 2001/8/10

N2 - "Information is physical and any processing of information is always performed by physical means," an innocent-sounding statement, but its consequences are profound. When quantum effects become important, for example, at the level of single atoms and photons, the classical theory of computation becomes fundamentally inadequate. Entirely new modes of computation and information processing become possible. In the last few years there has been an explosion of theoretical and experimental research in quantum computation. In this brief review we describe some of these developments.

AB - "Information is physical and any processing of information is always performed by physical means," an innocent-sounding statement, but its consequences are profound. When quantum effects become important, for example, at the level of single atoms and photons, the classical theory of computation becomes fundamentally inadequate. Entirely new modes of computation and information processing become possible. In the last few years there has been an explosion of theoretical and experimental research in quantum computation. In this brief review we describe some of these developments.

KW - error-correcting codes

KW - decoherence

KW - quantum computation

KW - networks

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Ekert A, Hayden P, Inamori H, Oi DKL. What is quantum computation? International Journal of Modern Physics A . 2001 Aug 10;16(20):3335-3363.