STATISTICAL MEASURES OF CHAOS IN QUANTUM-SYSTEMS

Authors
PERSSON P ABERG S
Citation
P. Persson et S. Aberg, STATISTICAL MEASURES OF CHAOS IN QUANTUM-SYSTEMS, Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics, 52(1), 1995, pp. 148-153
Citations number
22
Categorie Soggetti
Physycs, Mathematical","Phsycs, Fluid & Plasmas
Journal title
Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics → ACNP
ISSN journal
1063651X
Volume
52
Issue
1
Year of publication
1995
Part
A
Pages
148 - 153
Database
ISI
SICI code
1063-651X(1995)52:1<148:SMOCIQ>2.0.ZU;2-J
Abstract
A simple model, based on random matrix theory, is utilized for the des cription of energy levels and level dynamics in mixed regular and chao tic quantum systems. We find that different types of level statistics, such as nearest neighbor distributions, long-range correlations, wave function analysis, curvature distributions, etc., show dramatically d ifferent sensitivity to the ''chaoticity parameter. Differences betwee n long-range and short-range fluctuation measures are explained in ter ms of localization of the wave functions.