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

Autor: Kavan Modi, César A. Rodríguez-Rosario, Laura Mazzola, Mauro Paternostro
Jazyk: angličtina
Rok vydání: 2012
Předmět:
Zdroj: Mazzola, L, Rodríguez-Rosario, C A, Modi, K & Paternostro, M 2012, ' Dynamical role of system-environment correlations in non-Markovian dynamics ', Physical Review A (Atomic, Molecular, and Optical Physics), vol. 86, no. 1, 010102 . https://doi.org/10.1103/PhysRevA.86.010102
Popis: We analyse 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 behaviour 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 development and establishment of correlations between system and environment. We illustrate our results using a fully solvable spin-chain model, which allows us to gain insight on the mechanisms triggering non-Markovian evolution.
5 pages, 2 figures
Databáze: OpenAIRE