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Phys. Rev. A 65, 023807 (2002) [8 pages]

Cavity quantum electrodynamics in the presence of energy relaxation and pure dephasing: A unified quantum master-equation approach

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Ruixue Xu and YiJing Yan*
Open Laboratory of Bond-Selective Chemistry, University of Science and Technology of China, Hefei, China
Department of Chemistry, Hong Kong University of Science and Technology, Kowloon, Hong Kong, China

Xin-Qi Li*,†
Department of Chemistry, Hong Kong University of Science and Technology, Kowloon, Hong Kong

Received 19 May 2001; published 10 January 2002

This paper renders two main results. One is a unified quantum master equation, which satisfies the detailed-balance relation and can serve as a convenient starting formulation to study the dissipative dynamics in a variety of systems in quantum optics and solid-state physics. Another is based on the proposed quantum master equation to study cavity quantum electrodynamics in the presence of T1 energy relaxation and pure T2 dephasing. Demonstrated in detail is also the effect of cavity field–absorber interaction on dissipation, which is neglected in the conventional theory.

© 2002 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.65.023807
DOI:
10.1103/PhysRevA.65.023807
PACS:
42.50.Ct, 03.65.Yz, 05.40.-a, 12.20.-m

*Corresponding authors. Email address: yyan@ust.hk; email address: xqli@chsg4.ust.hk

†Present address: National Laboratory for Superlattices and Microstructures, Institute of Semiconductors, Chinese Academy of Sciences, P. O. Box 912, Beijing 100083, China.

 
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