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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, Atomic and Molecular Physics, and Optics
Subjects: Science > Physics > Optics. Light
Science > Physics
Department: Faculty of Science > Physics
Depositing user: Pure Administrator
Date Deposited: 03 Nov 2011 16:18
Last modified: 24 Jul 2015 07:50
Related URLs:
URI: http://strathprints.strath.ac.uk/id/eprint/35348

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