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Quantum control of two-qubit entanglement dissipation

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Journal of Russian Laser Research Aims and scope

Abstract

We investigate quantum control of the dissipation of entanglement under environmental decoherence. We show by means of a simple two-qubit model that standard control methods – coherent or openloop control – will not in general prevent entanglement loss induced by a Markovian environment. However, we propose a control method utilizing a Wiseman–Milburn feedback/measurement control scheme which will effectively negate environmental entanglement dissipation.

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Authors and Affiliations

  1. Department of Physics and Astronomy, The Open University, MK7 6AA, UK

    Allan I. Solomon

  2. LPTMC, Université de Paris VI, Paris, France

    Allan I. Solomon

  3. School of Physical Sciences, Swansea University, Singleton Park, Swansea, SA2 8PP, Wales, UK

    Sophie G. Schirmer

Authors
  1. Allan I. Solomon
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  2. Sophie G. Schirmer
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Correspondence to Allan I. Solomon.

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Solomon, A.I., Schirmer, S.G. Quantum control of two-qubit entanglement dissipation. J Russ Laser Res 32, 502–510 (2011). https://doi.org/10.1007/s10946-011-9240-0

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  • DOI: https://doi.org/10.1007/s10946-011-9240-0

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