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Geometric quantum computation

Ekert, A and Ericsson, M and Hayden, P and Inamori, H and Jones, J A and Oi, D K L and Vedral, V (2000) Geometric quantum computation. Journal of Modern Optics, 47 (14-15). pp. 2501-2513. ISSN 0950-0340

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    Abstract

    We describe in detail a general strategy for implementing a conditional geometric phase between two spins. Combined with single-spin operations, this simple operation is a universal gate for quantum computation, in that any unitary transformation can be implemented with arbitrary precision using only single-spin operations and conditional phase shifts. Thus quantum geometrical phases can form the basis of any quantum computation. Moreover, as the induced conditional phase depends only on the geometry of the paths executed by the spins it is resilient to certain types of errors and offers the potential of a naturally fault-tolerant way of performing quantum computation.

    Item type: Article
    ID code: 35348
    Keywords: magnetic resonance, logic gates, quantum systems, Optics. Light, Physics
    Subjects: Science > Physics > Optics. Light
    Science > Physics
    Department: Faculty of Science > Physics
    Related URLs:
    Depositing user: Pure Administrator
    Date Deposited: 03 Nov 2011 16:18
    Last modified: 24 Jul 2013 10:15
    URI: http://strathprints.strath.ac.uk/id/eprint/35348

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