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Optimal State Merging without Decoupling

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Theory of Quantum Computation, Communication, and Cryptography (TQC 2009)

Part of the book series: Lecture Notes in Computer Science ((LNTCS,volume 5906))

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Abstract

We construct an optimal state merging protocol by adapting a recently-discovered optimal entanglement distillation protcol [Renes and Boileau, Phys. Rev. A. 73, 032335 (2008)]. The proof of optimality relies only on directly establishing sufficient “amplitude” and “phase” correlations between Alice and Bob and not on usual techniques of decoupling Alice from the environment. This strengthens the intuition from quantum error-correction that these two correlations are all that really matter in two-party quantum information processing.

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Author information

Authors and Affiliations

  1. Center for Quantum Information and Quantum Control, University of Toronto,  

    Jean-Christian Boileau

  2. Institut für Angewandte Physik, Technical University of Darmstadt,  

    Joseph M. Renes

Authors
  1. Jean-Christian Boileau
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  2. Joseph M. Renes
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Editor information

Editors and Affiliations

  1. Institute for Quantum Computing and Department of Combinatorics and Optimization, University of Waterloo, N2L 3G1, Waterloo, ON, Canada

    Andrew Childs

  2. Institute for Quantum Computing, University of Waterloo, N2L 3G1, Waterloo, Canada

    Michele Mosca

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© 2009 Springer-Verlag Berlin Heidelberg

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Boileau, JC., Renes, J.M. (2009). Optimal State Merging without Decoupling. In: Childs, A., Mosca, M. (eds) Theory of Quantum Computation, Communication, and Cryptography. TQC 2009. Lecture Notes in Computer Science, vol 5906. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-10698-9_8

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  • DOI: https://doi.org/10.1007/978-3-642-10698-9_8

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-10697-2

  • Online ISBN: 978-3-642-10698-9

  • eBook Packages: Computer ScienceComputer Science (R0)

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