Dissipation in Open Two-Level Systems: Perturbation Theory and Polaron Transformation

Details Dissipation in Open Two-Level Systems: Perturbation Theory and Polaron Transformation Dissipation in Open Two-Level Systems: Perturbation Theory and Polaron Transformation

2002-07-10

arxiv.org/abs/cond-mat/0207256v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 1 figure, to appear in proceedings of MB11

Scientific paper

We compare standard perturbation theory with the polaron transformation for
non-linear transport of electrons through a two-level system. For weak
electron-phonon coupling and large bias, there is good agreement between both
approaches. This regime has recently been explored in experiments in double
quantum dots.

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