Sum rule for transport in a Luttinger liquid with long range interaction in the presence of an impurity
arXiv:cond-mat/9701121 · doi:10.1209/epl/i1997-00166-9
Abstract
We show that the non-linear dc transport in a Luttinger liquid with interaction of finite range in the presence of an impurity is governed by a sum rule which causes the charging energy to vanish.
5 pages, RevTeX, 1 figure, to be published in Europhysics Letters