Volume 61, Number 1, January 2003
|Page(s)||95 - 101|
|Section||Condensed matter: electronic structure, electrical, magnetic, and optical properties|
|Published online||01 January 2003|
Nonanalyticity in the distribution of conductances in quasi–one-dimensional wires
Department of Physics, University of Florida
P.O. Box 118440 - Gainesville, FL 32611-8440, USA
2 Institut für Theorie der Kondensierten Materie, Universität Karlsruhe P.O. Box 6980, D-76128 Karlsruhe, Germany
3 Institut für Nanotechnologie, Forschungszentrum Karlsruhe Karlsruhe, Germany
Accepted: 24 October 2002
We show that the distribution P(g) of conductances g of a quasi–one-dimensional wire has nonanalytic behavior in the insulating region, leading to a discontinuous derivative in the distribution near g=1. We give analytic expressions for the full distribution and extract an approximate scaling behavior valid for different strengths of disorder close to g=1.
PACS: 73.23.-b – Electronic transport in mesoscopic systems / 72.15.Rn – Localization effects (Anderson or weak localization) / 72.80.Ng – Disordered solids
© EDP Sciences, 2003
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