Sum rule for transport in a Luttinger liquid with long-range interaction in the presence of an impurity
Dipartimento di Fisica, INFM, Università di Genova, Via Dodecaneso 33, I-16146 Genova, Italy
2 I. Institut für Theoretische Physik, Universität Hamburg, Jungiusstraße 9, D-20355 Hamburg, Germany
Accepted: 13 January 1997
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.
PACS: 73.40.Gk – Tunneling / 72.10.Bg – General formulation of transport theory / 72.10.-d – Theory of electronic transport; scattering mechanisms
© EDP Sciences, 1997