Surface Code Threshold in the Presence of Correlated Errors

    Authors

    E. Novais;E. R. Mucciolo

    Comments

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    Abbreviated Journal Title

    Phys. Rev. Lett.

    Keywords

    Physics, Multidisciplinary

    Abstract

    We study the fidelity of the surface code in the presence of correlated errors induced by the coupling of physical qubits to a bosonic environment. By mapping the time evolution of the system after one quantum error correction cycle onto a statistical spin model, we show that the existence of an error threshold is related to the appearance of an order-disorder phase transition in the statistical model in the thermodynamic limit. This allows us to relate the error threshold to bath parameters and to the spatial range of the correlated errors. DOI:10.1103/PhysRevLett.110.010502

    Journal Title

    Physical Review Letters

    Volume

    110

    Issue/Number

    1

    Publication Date

    1-1-2013

    Document Type

    Article

    Language

    English

    First Page

    5

    WOS Identifier

    WOS:000313006100005

    ISSN

    0031-9007

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