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Title: Probabilistic growth of large entangled states with low error accumulation
Authors: Matsuzaki, Y.
Benjamin, S.C. 
Fitzsimons, J.
Issue Date: 3-Feb-2010
Citation: Matsuzaki, Y., Benjamin, S.C., Fitzsimons, J. (2010-02-03). Probabilistic growth of large entangled states with low error accumulation. Physical Review Letters 104 (5) : -. ScholarBank@NUS Repository.
Abstract: The creation of complex entangled states, resources that enable quantum computation, can be achieved via simple "probabilistic" operations which are individually likely to fail. However, typical proposals exploiting this idea carry a severe overhead in terms of the accumulation of errors. Here, we describe a method that can rapidly generate large entangled states with an error accumulation that depends only logarithmically on the failure probability. We find that the approach may be practical for success rates in the sub-10% range. The assumptions that we make, including parallelism and high connectivity, are appropriate for real systems including those based on measurement-induced entanglement. This result therefore indicates the feasibility of such devices. © 2010 The American Physical Society.
Source Title: Physical Review Letters
ISSN: 00319007
DOI: 10.1103/PhysRevLett.104.050501
Appears in Collections:Staff Publications

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