Instabilities, nonhermiticity and exceptional points in the cranking model

Thumbnail Image

Date

Authors

Journal Title

Journal ISSN

Volume Title

Publisher

Abstract

Description

A cranking harmonic oscillator model, widely used for the physics of fast rotating nuclei and Bose-Einstein condensates, is re-investigated in the context of PT-symmetry. The instability points of the model are identified as exceptional points. It is argued that - even though the Hamiltonian appears hermitian at first glance - it actually is not hermitian within the region of instability.
4 pages, 1 figure

Keywords

Quantum Physics

Citation

URI

http://salesiana.dossiersoluciones.com/handle/123456789/138751

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0709.4105
 http://arxiv.org/abs/0709.4105
 J. Phys. A: Math.Theor. vol.40 (2007) 9475-9481
 doi:10.1088/1751-8113/40/31/022

Collections

arXiv