Virtual Photon Contribution to Frictional Drag in Double-layer Devices

Andrea Donarini, R. Ferrari, Antti-Pekka Jauho, L. Molinari

    Research output: Contribution to journalJournal articleResearchpeer-review


    Frictional drag between coupled two-dimensional charge systems is commonly viewed as a second order effect arising either from screened Coulomb interaction, or phonon exchange. We point out that for single-photon exchange the first order contribution does not have to vanish even at T = 0, and evaluate this contribution for simple models. (C) 2003 Elsevier Science B.V. All rights reserved.
    Original languageEnglish
    JournalPhysics Letters A
    Issue number1-2
    Pages (from-to)123-129
    Publication statusPublished - 2003

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