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IOP Publishing, Physica Scripta, (T160), p. 014043

DOI: 10.1088/0031-8949/2014/t160/014043

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Emergence of non-Markovianity in the emission process of an atom in a half-cavity

Journal article published in 2014 by Tommaso Tufarelli ORCID, M. S. Kim, Francesco Ciccarello
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We study quantum non-Markovianity in the early stage of the emission process of a two-level atom coupled to a semi-infinite waveguide, where the waveguide termination behaves as a perfect mirror. Specifically, we restrict to the analysis of the process for times shorter than twice the time delay t_d, where t_d is the duration of a round trip along the atom-mirror path. We show the emergence of a threshold in the parameters space separating the Markovian and non-Markovian regions. ; Comment: 6 pages, 1 figure