Density functional description of Coulomb blockade: Adiabatic or dynamic exchange-correlation?
Strongly Correlated Electrons
2015-07-30 v2 Mesoscale and Nanoscale Physics
Abstract
Above the Kondo temperature, the Kohn-Sham zero-bias conductance of an Anderson junction has been shown to completely miss the Coulomb blockade. Within a standard model for the spectral function, we deduce a parameterization for both the onsite exchange-correlation potential and the bias drop as a function of the site occupation that applies for all correlation strengths. We use our results to sow doubt on the common interpretation of such corrections as arising from dynamical exchange-correlation contributions.
Keywords
Cite
@article{arxiv.1503.06222,
title = {Density functional description of Coulomb blockade: Adiabatic or dynamic exchange-correlation?},
author = {Zhenfei Liu and Kieron Burke},
journal= {arXiv preprint arXiv:1503.06222},
year = {2015}
}
Comments
9 pages, 8 figures, submitted to Phys. Rev. B