Perturbative treatment of the multichannel interacting resonant level model in steady state non-equilibrium

Details Perturbative treatment of the multichannel interacting resonant level model in steady state non-equilibrium Perturbative treatment of the multichannel interacting resonant level model in steady state non-equilibrium

2009-10-27

arxiv.org/abs/0910.5242v1

Physics

Condensed Matter

Strongly Correlated Electrons

3+ pages, 4 figures

Scientific paper

We consider the steady state non-equilibrium physics of the multichannel
interacting resonant level model in the weak coupling regime. By using the
scattering state method we show in agreement with the rate equations that the
negative differential conductance at large enough voltages is due to the
renormalization of the hopping amplitude thus of the vertex.

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