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Type: Artigo de periódico
Title: Local Density Of States In A Disordered Chain: A Renormalization Group Approach
Author: Goncalves da Silva C.E.T.
Koiller B.
Abstract: We apply renormalization group techiques to evaluate the local density of phonon states for the isotopically (randomly) disordered linear chain. The method is based on a systematic decimation of atoms in the chain. Numerical studies reveal a richly structured spectrum, in reasonable agreement both with numerical simulations and with exact moments results. This is the first analytic alloy approximation which takes into account potential fluctuations of arbitrary range. © 1981.
Rights: fechado
Identifier DOI: 10.1016/0038-1098(81)90743-2
Date Issue: 1981
Appears in Collections:Unicamp - Artigos e Outros Documentos

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