Dynamical role of system-environment correlations in non-Markovian dynamics

Laura Mazzola, César A. Rodríguez-Rosario, Kavan Modi, Mauro Paternostro

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Abstract

We analyze the role played by system-environment correlations in the emergence of non-Markovian dynamics. By working within the framework developed in Breuer et al. [Phys. Rev. Lett. 103, 210401 (2009)], we unveil a fundamental connection between non-Markovian behavior and dynamics of system-environment correlations. We derive an upper bound to the rate of change of the distinguishability between different states of the system that explicitly depends on the establishment of correlations between system and environment. We illustrate our results using a fully solvable spin-chain model, which allows us to gain insight into the mechanisms triggering non-Markovian evolution. © 2012 American Physical Society.

Original languageEnglish
Article number010102
Number of pages4
JournalPhysical Review A (Atomic, Molecular, and Optical Physics)
Volume86
Issue number1
DOIs
Publication statusPublished - 30 Jul 2012

Bibliographical note

5 pages, 2 figures

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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