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29 March 2024
 
  » arxiv » cond-mat/9706061

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Universality of equilibrium one-dimensional transport from gauge invariance
Anton Yu. Alekseev ; Vadim V. Cheianov ; Jurg Froehlich ;
Date 6 Jun 1997
Subject Mesoscopic Systems and Quantum Hall Effect | cond-mat.mes-hall hep-th
AbstractIn this letter we address the question how interactions affect the DC conductance of a one-dimensional electron system not necessarily adequately described by the Luttinger model. Using a Laughlin type argument, we show that gauge invariance protects the universal value of the conductance of $e^2/h$ per channel per spin orientation if the system possesses two conserved charges conjugate to the chemical potentials of the external reservoirs.
Source arXiv, cond-mat/9706061
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