Surface Acoustic Wave induced Transport in a Double Quantum Dot
W. J. M. Naber, T. Fujisawa, H. W. Liu, W. G. van der Wiel
Abstract
We report on non-adiabatic 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 is observed. At higher power, sequential phonon assisted tunneling processes excite the double dot in a highly non-equilibrium state. The present system is attractive for studying electron-phonon interaction with piezoelectric coupling.
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