Non-Markovian signatures in the current noise of a charge qubit

A. Braggio, Christian Flindt, T. Novotny

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    We investigate the current noise of a charge qubit coupled to a phonon bath in different parameter regimes. We find, using the theory of Full Counting Statistics of non-Markovian systems, that the current fluctuations are strongly influenced by memory effects generated from the interplay between quantum coherence and the dynamics of the phonon bath.
    Original languageEnglish
    JournalPhysica E: Low-Dimensional Systems and Nanostructures
    Volume40
    Issue number5
    Pages (from-to)1745-1747
    ISSN1386-9477
    DOIs
    Publication statusPublished - 2008

    Keywords

    • non-Markovian dynamics
    • qubit
    • noise

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