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Multifractal dimensions and statistical properties of critical ensembles characterized by the three classical Wigner-Dyson symmetry classes

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Author(s):
Carrera-Nunez, M. ; Martinez-Arguello, A. M. ; Mendez-Bermudez, J. A.
Total Authors: 3
Document type: Journal article
Source: PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS; v. 573, p. 13-pg., 2021-04-08.
Abstract

We introduce a power-law banded random matrix model for the third of the three classical Wigner-Dyson ensembles, i.e., the symplectic ensemble. A detailed analysis of the statistical properties of its eigenvectors and eigenvalues, at criticality, is presented. This ensemble is relevant for time-reversal symmetric systems with strong spin-orbit interaction. For the sake of completeness, we also review the statistical properties of eigenvectors and eigenvalues of the power-law banded random matrix model in the presence and absence of time reversal invariance, previously considered in the literature. Our results show a good agreement with heuristic relations for the eigenstate and eigenenergy statistics at criticality, proposed in previous studies. Therefore, we provide a full picture of the power-law banded random matrix model corresponding to the three classical Wigner-Dyson ensembles. (C) 2021 Elsevier B.V. All rights reserved. (AU)

FAPESP's process: 19/06931-2 - Random matrix theory approach to complex networks
Grantee:Francisco Aparecido Rodrigues
Support Opportunities: Research Grants - Visiting Researcher Grant - International