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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 | Abstract: | In 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 | Services: | Forum | Review | PDF | Favorites |
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