Dalton, B J, Barnett, Stephen M and Garraway, B M (2001) Non-Markovian quantum optical processes and pseudomodes. Fortschritte der Physik, 49 (10-11). pp. 927-934. ISSN 0015-8208

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Abstract

Non-Markovian behaviour in atomic systems coupled to a structured reservoir of quantum EM field modes, such as in high Q cavities, is treated using a quasimode description, and the pseudo mode theory for single quantum reservoir excitations is obtained via Fano diagonalisation. The atomic transitions are coupled to a discrete set of (cavity) quasimodes, which are also coupled to a continuum set of (external) quasimodes with slowly varying coupling constants. Each pseudomode corresponds to a cavity quasimode, and the original reservoir structure is obtained in expressions for the equivalent atom-true mode coupling constants. Cases of multiple excitation of the reservoir are now treatable via Markovian master equations for the atom-discrete quasimode system.

Item Type:	Article
Schools and Departments:	School of Mathematical and Physical Sciences > Physics and Astronomy
Depositing User:	Barry Garraway
Date Deposited:	06 Feb 2012 20:08
Last Modified:	05 Jul 2013 12:40
URI:	http://srodev.sussex.ac.uk/id/eprint/24253

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