Upper critical dimension in the scaling theory of localization

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It is argued that the Thouless number g(L) is not the only parameter relevant in scale transformations, and that the second parameter connected with off-diagonal disorder should be introduced. A two-parameter scaling theory is suggested that explains a phenomenon of the upper critical dimension from the viewpoint of scaling ideas.
Latex, 8 pages, 2 figures

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Disordered Systems and Neural Networks

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http://salesiana.dossiersoluciones.com/handle/123456789/30045

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/9912159
 http://arxiv.org/abs/cond-mat/9912159

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arXiv