The atom-photon entanglement of a two-level system embedded in double-band photonic band edge

Li, Jiang; Du, Shan; Wan, Ren-Gang; Kou, Jun-long; Zhang, Han; Zhang, Hanzhuang

doi:10.1016/j.optcom.2011.01.053

Cited by 1 publication

(1 citation statement)

References 23 publications

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“…Previous studies revealed that the formation of an atomphoton bound state is plausible, when an atom is coupled to a reservoir with a gap in its structure function [9,[16][17][18][19][20][21][22]. It has also been suggested that the formation of such a bound state is an indication of entanglement between the atom and its environment [26,27]. In order to explore entanglement dynamics between an atom and a reservoir with a gap at a given frequency ω c , we utilize the following structure function for the reservoir:…”

Section: Modelmentioning

confidence: 99%

Entanglement trapping in a nonstationary structured reservoir

et al. 2012

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(2012) Entanglement trapping in a nonstationary structured reservoir. Physical Review A, 86 (1). 012331-012340. ISSN 1050012331-012340. ISSN -2947 This version is available from Sussex Research Online: http://sro.sussex.ac.uk/40284/ This document is made available in accordance with publisher policies and may differ from the published version or from the version of record. If you wish to cite this item you are advised to consult the publisher's version. Please see the URL above for details on accessing the published version. Copyright and reuse:Sussex Research Online is a digital repository of the research output of the University.Copyright and all moral rights to the version of the paper presented here belong to the individual author(s) and/or other copyright owners. To the extent reasonable and practicable, the material made available in SRO has been checked for eligibility before being made available.Copies of full text items generally can be reproduced, displayed or performed and given to third parties in any format or medium for personal research or study, educational, or not-for-profit purposes without prior permission or charge, provided that the authors, title and full bibliographic details are credited, a hyperlink and/or URL is given for the original metadata page and the content is not changed in any way. We study a single two-level atom interacting with a reservoir of modes defined by a reservoir structure function with a frequency gap. Using the pseudomodes technique, we derive the main features of a trapping state formed in the weak coupling regime. Utilizing different entanglement measures we show that strong correlations and entanglement between the atom and the modes are in existence when this state is formed. Furthermore, an unexpected feature for the reservoir is revealed. In the long time limit and for weak coupling the reservoir spectrum is not constant in time.

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