Spectra density of a random chain of oscillators: Cellular coherent-potential approximation calculations

The cellular coherent-potential approximation (CCPA) is applied to the calculation of the spectral density of the one-dimensional random chain of oscillators. Although the CCPA introduces an artificial periodicity on the on-the-average homogeneous chain, this does not appear to affect the results, w...

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Publicado: 1978
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01631829_v18_n8_p3976_Hirsch
http://hdl.handle.net/20.500.12110/paper_01631829_v18_n8_p3976_Hirsch
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_01631829_v18_n8_p3976_Hirsch
record_format dspace
spelling paper:paper_01631829_v18_n8_p3976_Hirsch2023-06-08T15:13:46Z Spectra density of a random chain of oscillators: Cellular coherent-potential approximation calculations The cellular coherent-potential approximation (CCPA) is applied to the calculation of the spectral density of the one-dimensional random chain of oscillators. Although the CCPA introduces an artificial periodicity on the on-the-average homogeneous chain, this does not appear to affect the results, which are found to agree very well with Monte Carlo calculations, when a sufficiently large cluster is taken. © 1978 The American Physical Society. 1978 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01631829_v18_n8_p3976_Hirsch http://hdl.handle.net/20.500.12110/paper_01631829_v18_n8_p3976_Hirsch
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
description The cellular coherent-potential approximation (CCPA) is applied to the calculation of the spectral density of the one-dimensional random chain of oscillators. Although the CCPA introduces an artificial periodicity on the on-the-average homogeneous chain, this does not appear to affect the results, which are found to agree very well with Monte Carlo calculations, when a sufficiently large cluster is taken. © 1978 The American Physical Society.
title Spectra density of a random chain of oscillators: Cellular coherent-potential approximation calculations
spellingShingle Spectra density of a random chain of oscillators: Cellular coherent-potential approximation calculations
title_short Spectra density of a random chain of oscillators: Cellular coherent-potential approximation calculations
title_full Spectra density of a random chain of oscillators: Cellular coherent-potential approximation calculations
title_fullStr Spectra density of a random chain of oscillators: Cellular coherent-potential approximation calculations
title_full_unstemmed Spectra density of a random chain of oscillators: Cellular coherent-potential approximation calculations
title_sort spectra density of a random chain of oscillators: cellular coherent-potential approximation calculations
publishDate 1978
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01631829_v18_n8_p3976_Hirsch
http://hdl.handle.net/20.500.12110/paper_01631829_v18_n8_p3976_Hirsch
_version_ 1768544449320714240

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