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

DOI to cite this document:
Cuniberti, Gianaurelio ; Sassetti, Maura ; Kramer, Bernhard
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Date of publication of this fulltext: 05 Aug 2009 13:31


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.

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