Real-time renormalization group and charge fluctuations in quantum dots
Mesoscale and Nanoscale Physics
2009-10-31 v2
Abstract
We develop a perturbative renormalization-group method in real time to describe nonequilibrium properties of discrete quantum systems coupled linearly to an environment. We include energy broadening and dissipation and develop a cutoff-independent formalism. We present quantitatively reliable results for the nonlinear conductance in the mixed-valence and empty-orbital regime of the nonequilibrium Anderson impurity model with finite on-site Coulomb repulsion.
Cite
@article{arxiv.cond-mat/9908404,
title = {Real-time renormalization group and charge fluctuations in quantum dots},
author = {Herbert Schoeller and Jürgen König},
journal= {arXiv preprint arXiv:cond-mat/9908404},
year = {2009}
}
Comments
4 pages, 4 figures