Coherent tunnelling through two quantum dots with Coulomb interaction

Details Coherent tunnelling through two quantum dots with Coulomb interaction Coherent tunnelling through two quantum dots with Coulomb interaction

1996-01-31

arxiv.org/abs/cond-mat/9601155v1

Physics

Condensed Matter

RevTeX & epsf & 6 figures in eps format

Scientific paper

10.1088/0953-8984/8/29/015

The coherent conductance and current is calculated through two quantum dots
using the Hubbard model for a single level per spin. The occurrence of negative
differential conductance is demonstrated. The Ohmic conductance is calculated
for dots with equally spaced levels. Transport is determined by matching energy
levels, even when they do not occur at the charge degeneracy points.

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