From Quantum Disorder to Quantum Chaos

被引：0
作者：
I. V. Gornyi
A. D. Mirlin
机构：
[1] Forschungszentrum Karlsruhe,Institut für Nanotechnologie
[2] Universität Karlsruhe,Institut für Theorie der Kondensierten Materie
来源：
Journal of Low Temperature Physics | 2002年 / 126卷
关键词：
Wave Function; Periodic Orbit; Magnetic Material; Free Path; Lyapunov Exponent;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We study the statistics of wave functions in a ballistic chaotic system. The statistical ensemble is generated by adding weak smooth random potential, which allows us to apply the ballistic σ-model approach. We analyze conditions of applicability of the σ-model, emphasizing the role played by the single-particle mean free path and the Lyapunov exponent due to the random potential. In particular, we present a resolution of the puzzle of repetitions of periodic orbits counted differently by the σ-model and by the trace formula.
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页码：1339 / 1354
页数：15
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