Poincare Husimi representation of eigenstates in quantum billiards

A Backer, S Furstberger, RCV Schubert

Research output: Contribution to journalArticle (Academic Journal)peer-review

Abstract

For the representation of eigenstates on a Poincare section at the boundary of a billiard different variants have been proposed. We compare these Poincare Husimi functions, discuss their properties, and based on this select one particularly suited definition. For the mean behavior of these Poincare Husimi functions an asymptotic expression is derived, including a uniform approximation. We establish the relation between the Poincare Husimi functions and the Husimi function in phase space from which a direct physical interpretation follows. Using this, a quantum ergodicity theorem for the Poincare Husimi functions in the case of ergodic systems is shown.
Translated title of the contributionPoincare Husimi representation of eigenstates in quantum billiards
Original languageEnglish
Article numberArt no 036204 Part 2
JournalPhysical Review E: Statistical, Nonlinear, and Soft Matter Physics
Volume70 (3)
Publication statusPublished - Sep 2004

Bibliographical note

Publisher: Amercian Physical Soc
Other identifier: IDS Number: 859XS

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