Messinger, A., Ritboon, A., Crimin, F. , Croke, S. and Barnett, S. (2020) Coherence and catalysis in the Jaynes-Cummings model. New Journal of Physics, 22, 043008. (doi: 10.1088/1367-2630/ab7607)
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Abstract
There has been substantial interest of late on the issue of coherence as a resource in quantum thermodynamics. To date, however, analyses have focussed on somewhat artificial theoretical models. We seek to bring these ideas closer to experimental investigation by examining the ``catalytic'' nature of quantum optical coherence. Here the interaction of a coherent state cavity field with a sequence of two-level atoms is considered, a state ubiquitous in quantum optics as a model of a stable, classical source of light. The Jaynes-Cummings interaction Hamiltonian is used, so that an exact solution for the dynamics can be formed, and the evolution of the atomic and cavity states with each atom-field interaction analysed. In this way, the degradation of the coherent state is examined as coherence is transferred to the sequence of atoms. The associated degradation of the coherence in the cavity mode is significant in the context of the use of coherence as a thermodynamic resource.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Crimin, Dr Frances and Messinger, Ms Anette and Croke, Dr Sarah and Barnett, Professor Stephen and Ritboon, Atirach |
| Authors: | Messinger, A., Ritboon, A., Crimin, F., Croke, S., and Barnett, S. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | New Journal of Physics |
| Publisher: | IOP Publishing |
| ISSN: | 1367-2630 |
| ISSN (Online): | 1367-2630 |
| Published Online: | 13 February 2020 |
| Copyright Holders: | Copyright © 2020 The Authors |
| First Published: | First published in New Journal of Physics 22: 043008 |
| Publisher Policy: | Reproduced under a Creative Commons License |
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