Quantum nonintegrability and the classical limit for usp(4) systems

被引：0

作者：

Novaes, M ^{[1
]}

Hornos, JEM ^{[1
]}

机构：

[1] Univ Sao Paulo, Inst Fis Sao Carlos, BR-13560970 Sao Carlos, SP, Brazil

来源：

ANNALS OF PHYSICS | 2005年 / 315卷 / 02期

基金：

巴西圣保罗研究基金会;

关键词：

quantum chaos; algebraic models; classical limit; coherent states;

D O I：

10.1016/j.aop.2004.06.004

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

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. (C) 2004 Elsevier Inc. All rights reserved.

引用

页码：453 / 466

页数：14

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