Surface acoustic wave induced transport in a double quantum dot

W.J.M. Naber, T. Fujisawa, H.W. Liu, Wilfred Gerard van der Wiel

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    Abstract

    We report on nonadiabatic transport through a double quantum dot under irradiation of surface acoustic waves generated on chip. At low excitation powers, absorption and emission of single and multiple phonons are observed. At higher power, sequential phonon assisted tunneling processes excite the double dot in a highly nonequilibrium state. The present system is attractive for studying electron-phonon interaction with piezoelectric coupling.
    Original languageUndefined
    Pages (from-to)136807
    Number of pages4
    JournalPhysical review letters
    Volume96
    Issue numberIEEE Produ
    DOIs
    Publication statusPublished - Jan 2006

    Keywords

    • IR-59085
    • SMI-NE: From 2006 in EWI-NE
    • EWI-9468
    • METIS-238791

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