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Type: Artigo de periódico
Title: Quantum Nonintegrability And The Classical Limit For Usp(4) Systems
Author: Novaes M.
Hornos J.E.M.
Abstract: We investigate the transition from integrability to chaos in a system built of usp(4) elements, both in the quantum case and in its classical limit, obtained using coherent states. This algebraic Hamiltonian consists in an integrable term plus a nonlinear perturbation, and we see that the level spacing distribution for the quantum system is well approximated by the Berry-Robnik-Brody distribution, and accordingly the classical limit displays mixed dynamics. © 2004 Elsevier Inc. All rights reserved.
Rights: fechado
Identifier DOI: 10.1016/j.aop.2004.06.004
Date Issue: 2005
Appears in Collections:Unicamp - Artigos e Outros Documentos

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