Non-Markovian quantum optical processes and pseudomodes

Dalton, B. J., Barnett, S. M. and Garraway, B. M. (2001) Non-Markovian quantum optical processes and pseudomodes. Fortschritte Der Physik, 49 10-11: 927-934. doi:10.1002/1521-3978(200110)49:10/11<927::AID-PROP927>3.0.CO;2-F


Author Dalton, B. J.
Barnett, S. M.
Garraway, B. M.
Title Non-Markovian quantum optical processes and pseudomodes
Journal name Fortschritte Der Physik   Check publisher's open access policy
ISSN 0015-8208
1521-3978
Publication date 2001-10-01
Sub-type Article (original research)
DOI 10.1002/1521-3978(200110)49:10/11<927::AID-PROP927>3.0.CO;2-F
Volume 49
Issue 10-11
Start page 927
End page 934
Total pages 8
Editor D. Luest
Place of publication Berlin, Germany
Publisher Akademie Verlag
Language eng
Subject C1
240201 Theoretical Physics
780102 Physical sciences
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.
Keyword Physics, Multidisciplinary
Wave-function Approach
Photonic Band-edge
Macroscopic Canonical Quantization
Resonance Fluorescence
Spontaneous Emission
Master-equations
Cavity
Laser
Decay
Atom
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Mathematics and Physics
 
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Created: Wed, 15 Aug 2007, 02:02:47 EST