Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/98376
Title: Dynamics of a two-level system under the simultaneous influence of a spin bath and a boson bath
Authors: Wu, Ning
Zhao, Yang
Issue Date: 2013
Source: Wu, N. & Zhao, Y. (2013). Dynamics of a two-level system under the simultaneous influence of a spin bath and a boson bath. The Journal of Chemical Physics, 139(5), 054118.
Series/Report no.: The journal of chemical physics
Abstract: We study dynamics of a two-level system coupled simultaneously to a pair of dissimilar reservoirs, namely, a spin bath and a boson bath, which are connected via finite interbath coupling. It is found that the steady-state population transfer in the two-level system increases with its coupling to the spin bath, while optimal transfer occurs at intermediate coupling in the transient process. If the two-level system is strongly coupled to the spin bath, the population transfer is unidirectional barring minor population oscillations of minute amplitudes. If the spin bath is viewed as an atomic ensemble, robust generation of macroscopic superposition states exists against parameter variations of the two-level system and the boson bath.
URI: https://hdl.handle.net/10356/98376
http://hdl.handle.net/10220/13356
ISSN: 0021-9606
DOI: 10.1063/1.4817336
Rights: © 2013 AIP Publishing LLC. This paper was published in The Journal of Chemical Physics and is made available as an electronic reprint (preprint) with permission of AIP Publishing LLC. The paper can be found at the following official DOI: [http://dx.doi.org/10.1063/1.4817336].  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles

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