Berlin 2014 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 11: Quantum effects: Entanglement and decoherence I

Q 11.2: Vortrag

Montag, 17. März 2014, 14:15–14:30, DO24 Reuter Saal

Phenomenological non-Markovian dynamics of open quantum systems — •Björn Witt, Łukasz Rudnick, and Florian Mintert — Freiburg Institute for Advanced Studies (FRIAS), Albert-Ludwigs-Universität Freiburg, Albertstr. 19, 79104 Freiburg

Truncated hierarchical equations of motions (HEOM) [1] define an efficient framework for the description of non-Markovian open quantum dynamics. We investigate to what extent this approach is suitable for a phenomenological description. We strive to identify necessary and/or sufficient conditions, such that the induced dynamical map is completely positive and trace-preserving. For this purpose we consider low-dimensional systems and the classical analogue of the HEOM for which we demonstrate how such conditions can be inferred.

[1] A. Ishizaki and Y. Tanimura, J. Phys. Soc. Jpn. 74, 3131 (2005)