Precise Asymptotics for a Variable-Range Hopping Model(Quantum Mechanics and Chaos)
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概要
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For a system of localised electron states the DC conductivity vanishes at zero temperature, but localised electrons can conduct at finite temperature. Mott gave a theory for the low-temperature conductivity in terms of a variable-range hopping model, which is hard to analyse. Here we give precise asymptotic results for a modified variable-range hopping model, proposed by S. Alexander [Phys. Rev. B 26 (1982), 2956].
- 2007-05-31
著者
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Wilkinson Michael
Faculty Of Mathematics And Computing The Open University Walton Hall
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MEHLIG Bernhard
Department of Physics, Goteborg University
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Mehlig Bernhard
Department Of Physics Goteborg University
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WILKINSON Michael
Faculty of Mathematics and Computing, The Open University, Walton Hall