Sum rule for transport in a Luttinger liquid with long-range interaction in the presence of an impurity

/ Authors

G. Cuniberti, M. Sassetti, Bernhard Kramer Genova University, Italy., Hamburg University, H Germany

/ 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.

Journal: EPL

DOI: 10.1209/epl/i1997-00166-9