AVOIDED LEVEL-CROSSING AND EXCEPTIONAL POINTS

被引：172

作者：

HEISS, WD

SANNINO, AL

机构：

[1] UNIV WITWATERSRAND,DEPT PHYS,JOHANNESBURG 2050,SOUTH AFRICA

[2] UNIV WITWATERSRAND,CTR NONLINEAR STUDIES,JOHANNESBURG 2050,SOUTH AFRICA

来源：

JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 1990年 / 23卷 / 07期

关键词：

D O I：

10.1088/0305-4470/23/7/022

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The connection between level repulsions and the singularities associated with the analytically continued energy levels is investigated. The authors also conjecture that there are necessarily specific consequences for the state vectors when the statistical analysis of the energy spectrum indicates quantum chaos. A procedure which allows a qualitative assessment of the positions of the exceptional points is suggested. The importance of their distribution for quantum chaos is discussed within this context.

引用

页码：1167 / 1178

页数：12

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