Emergence of quantum chaos in finite interacting Fermi systems

被引：206

作者：

Jacquod, P

Shepelyansky, DL

机构：

[1] UNIV TOULOUSE 3,PHYS QUANT LAB,UMR C5626 CNRS,F-31062 TOULOUSE 4,FRANCE

[2] BUDKER INST NUCL PHYS,NOVOSIBIRSK 630090,RUSSIA

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 79卷 / 10期

关键词：

D O I：

10.1103/PhysRevLett.79.1837

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study the level spacing statistics P(s) in many-body Fermi systems and determine a critical two-body interaction strength U-c at which a crossover from Poisson to Wigner-Dyson statistics takes place. Near the Fermi level, the results allow one to find a critical temperature T-ch above which quantum chaos and thermalization set in.

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页码：1837 / 1840

页数：4

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