Incoherent tunnelling through two quantum dots with Coulomb interaction

Physics – Condensed Matter

Scientific paper

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RevTeX + epsf.sty + 13 figures

Scientific paper

10.1088/0953-8984/8/18/010

The Ohmic conductance and current through two quantum dots in series is investigated for the case of incoherent tunnelling. A generalised master equation is employed to include the discrete nature of the energy levels. Regions of negative differential conductance can occur in the I-V characteristics. Transport is dominated by matching energy levels, even when they do not occur at the charge degeneracy points.

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