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Title: Perturbation treatment of symmetry breaking within random matrix theory.
Authors: Carvalho, Josué Xavier de
Hussein, Mahir Saleh
Pato, Mauricio Porto
Sargeant, Adam James
Issue Date: 2008
Citation: CARVALHO, J. X. de et al. Perturbation treatment of symmetry breaking within random matrix theory. Physics Letters A, v. 372, n. 29, p. 4898-4901, jul. 2008. Disponível em: <>. Acesso em: 26 set. 2012.
Abstract: We discuss the applicability, within the random matrix theory, of perturbative treatment of symmetry breaking to the experimental data on the flip symmetry breaking in quartz crystal. We found that the values of the parameter that measures this breaking are different for the spacing distribution as compared to those for the spectral rigidity. We consider both two-fold and three-fold symmetries. The latter was found to account better for the spectral rigidity than the former. Both cases, however, underestimate the experimental spectral rigidity at large L. This discrepancy can be resolved if an appropriate number of eigenfrequencies is considered to be missing in the sample. Our findings are relevant for symmetry violation studies in general.
ISSN: 03759601
metadata.dc.rights.license: O periódico Physics Letters A concede permissão para depósito do artigo no Repositório Institucional da UFOP. Número da licença: 3337020848249.
Appears in Collections:DECEA - Artigos publicados em periódicos

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