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Topologically protected quantum state transfer in a chiral spin liquid

Author

Listed:
  • N.Y. Yao

    (Harvard University)

  • C.R. Laumann

    (Harvard University
    ITAMP, Harvard-Smithsonian Center for Astrophysics)

  • A.V. Gorshkov

    (Institute for Quantum Information, California Institute of Technology)

  • H. Weimer

    (Harvard University
    ITAMP, Harvard-Smithsonian Center for Astrophysics)

  • L. Jiang

    (Institute for Quantum Information, California Institute of Technology)

  • J.I. Cirac

    (Max-Planck-Institut für Quantenoptik)

  • P. Zoller

    (Institute for Quantum Optics and Quantum Information, Austrian Academy of Sciences
    Institute for Theoretical Physics, Innsbruck University)

  • M.D. Lukin

    (Harvard University)

Abstract

Topology plays a central role in ensuring the robustness of a wide variety of physical phenomena. Notable examples range from the current-carrying edge states associated with the quantum Hall and the quantum spin Hall effects to topologically protected quantum memory and quantum logic operations. Here we propose and analyse a topologically protected channel for the transfer of quantum states between remote quantum nodes. In our approach, state transfer is mediated by the edge mode of a chiral spin liquid. We demonstrate that the proposed method is intrinsically robust to realistic imperfections associated with disorder and decoherence. Possible experimental implementations and applications to the detection and characterization of spin liquid phases are discussed.

Suggested Citation

  • N.Y. Yao & C.R. Laumann & A.V. Gorshkov & H. Weimer & L. Jiang & J.I. Cirac & P. Zoller & M.D. Lukin, 2013. "Topologically protected quantum state transfer in a chiral spin liquid," Nature Communications, Nature, vol. 4(1), pages 1-8, June.
    • Handle: RePEc:nat:natcom:v:4:y:2013:i:1:d:10.1038_ncomms2531
    DOI: 10.1038/ncomms2531
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    Cited by:

    1. Federico Roccati & Miguel Bello & Zongping Gong & Masahito Ueda & Francesco Ciccarello & Aurélia Chenu & Angelo Carollo, 2024. "Hermitian and non-Hermitian topology from photon-mediated interactions," Nature Communications, Nature, vol. 15(1), pages 1-10, December.

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