Salo, J and Barnett, S M and Stenhohn, S (2006) Non-Markovian thermalisation of a two-level atom. Optics Communications, 259 (2). pp. 772-780. ISSN 0030-4018
Full text not available in this repository. (Request a copy from the Strathclyde author)Abstract
We consider thermalisation and spontaneous decay of a two-level atom beyond the Markovian approximation. While the standard elimination of the continuum of radiation modes results in exponential decay represented by a Lindblad equation of motion, we use a simple toy model that takes into account the finite relaxation rate of the environment and present an exact non-Markovian master equation of the Nakajima-Zwanzig form. Because the exact derivation of non-Markovian equations has proved very difficult for all more realistic (and hence much more complicated) models, we analyze the master equation obtained and also discuss difficulties that are likely to arise with non-Markovian evolution operators. (C) 2005 Elsevier B.V. All rights reserved.
| Item type: | Article |
|---|---|
| ID code: | 31071 |
| Keywords: | open quantum systems, non-markovian master equations, dynamical semigroups, quantum physics, diffusion, cavity model, Optics. Light |
| Subjects: | Science > Physics > Optics. Light |
| Department: | Faculty of Science > Physics |
| Related URLs: | |
| Depositing user: | Pure Administrator |
| Date Deposited: | 22 Jun 2011 15:22 |
| Last modified: | 04 Oct 2012 13:41 |
| URI: | http://strathprints.strath.ac.uk/id/eprint/31071 |
Actions (login required)
| View Item |