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Geometric Quantum Computation
Centre for Quantum Computation, Univ.of Oxford, UK.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Physical and Analytical Chemistry, Quantum Chemistry.
Centre for Quantum Computation, Univ.of Oxford, UK.
Centre for Quantum Computation, Univ.of Oxford, UK.
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2000 (English)In: Journal of Modern Optics, ISSN 0950-0340, E-ISSN 1362-3044, Vol. 47, no 14-15, 2501-2513 p.Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
2000. Vol. 47, no 14-15, 2501-2513 p.
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Physical Sciences
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URN: urn:nbn:se:uu:diva-151424DOI: 10.1080/09500340008232177OAI: oai:DiVA.org:uu-151424DiVA: diva2:409858
10.1080/095003400750039500.Available from: 2011-04-11 Created: 2011-04-11 Last updated: 2011-11-04Bibliographically approved

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Ericsson, Marie
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