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Title: Quantifying non-Markovianity for a chromophore-qubit pair in a super-Ohmic bath
Authors: Liu, Jing
Sun, Kewei
Wang, Xiaoguang
Zhao, Yang
Keywords: DRNTU::Science::Physics::Atomic physics::Quantum theory
Issue Date: 2015
Source: Liu, J., Sun, K., Wang, X., & Zhao, Y. (2015). Quantifying non-Markovianity for a chromophore-qubit pair in a super-Ohmic bath. Physical chemistry chemical physics, in press.
Series/Report no.: Physical chemistry chemical physics
Abstract: An approach based on a non-Markovian time-convolutionless polaron master equation is used to probe the quantum dynamics of a chromophore-qubit in a super-Ohmic bath. Utilizing a measure of non-Markovianity based on dynamical fixed points, we study the effects of the environment temperature and the coupling strength on the non-Markovian behavior of the chromophore in a super-Ohmic bath. It is found that an increase in the temperature results in a reduction in the backflow information from the environment to the chromophore, and therefore, a suppression of non-Markovianity. In the weak coupling regime, increasing coupling strength will enhance the non-Markovianity, while the effect is reversed in the strong coupling regime.
DOI: 10.1039/C4CP04922E
Schools: School of Materials Science & Engineering 
Rights: © 2015 The Authors. This is the author created version of a work that has been peer reviewed and accepted for publication in Physical Chemistry Chemical Physics, published by Royal Society of Chemistry on behalf of The Authors. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [Article URL/DOI:].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles

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