Please use this identifier to cite or link to this item: https://doi.org/10.1142/S123016121000014X
Title: Relation between the dynamics of the reduced purity and correlations
Authors: Kimura, G.
Ohno, H.
Mosonyi, M. 
Issue Date: Sep-2010
Source: Kimura, G., Ohno, H., Mosonyi, M. (2010-09). Relation between the dynamics of the reduced purity and correlations. Open Systems and Information Dynamics 17 (3) : 233-243. ScholarBank@NUS Repository. https://doi.org/10.1142/S123016121000014X
Abstract: General property of the relation between the dynamics of reduced purity and correlations in quantum mechanical systems is investigated. We show that a non-zero time-derivative of the reduced purity of a system implies the existence of non-zero correlations with its environment for any unbounded Hamiltonian with finite variance. This shows the impact of local dynamical information on the correlations, as well as the role of correlations in the mechanism of purity change. © 2010 World Scientific Publishing Company.
Source Title: Open Systems and Information Dynamics
URI: http://scholarbank.nus.edu.sg/handle/10635/112513
ISSN: 12301612
DOI: 10.1142/S123016121000014X
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