Pseudomodes as an effective description of memory: Non-Markovian dynamics of two-state systems in structured reservoirs

Laura Mazzola, Sabrina Maniscalco, Jyrki Piilo, Kalle-Antti Suominen, Barry M Garraway

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Abstract

We investigate the non-Markovian dynamics of two-state systems in structured reservoirs. We establish a connection between two theoretical quantum approaches, the pseudomodes [ B. M. Garraway Phys. Rev. A 55 2290 (1997)] and the recently developed non-Markovian quantum jump method [ J. Piilo et al. Phys. Rev. Lett. 100 180402 (2008)]. This connection provides a clear physical picture of how the structured reservoir affects the system dynamics, suggesting the role of the pseudomodes as effective description of environmental memory.
Original languageEnglish
Article number012104
Number of pages5
JournalPhysical Review A
Volume80
Issue number1
DOIs
Publication statusPublished - 7 Jul 2009

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