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- W2197608190 abstract "We describe the evolution of the quantum entanglement of an open system consisting of two bosonic modes interacting with a common thermal environment, described by two different models. The initial state of the system is taken of Gaussian form. In the case of a thermal bath, characterized by temperature and dissipation constant which correspond to an asymptotic Gibbs state of the system, we show that for a zero temperature of the thermal bath an initial entangled Gaussian state remains entangled for all finite times. For an entangled initial squeezed thermal state, the phenomenon of entanglement sudden death takes place and we calculate the survival time of entanglement. For the second model of the environment, corresponding to a non-Gibbs asymptotic state, we study the possibility of generating entanglement. We show that the generation of the entanglement between two uncoupled bosonic modes is possible only for definite values of the temperature and dissipation constant, which characterize the thermal environment." @default.
- W2197608190 created "2016-06-24" @default.
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- W2197608190 date "2015-01-01" @default.
- W2197608190 modified "2023-10-17" @default.
- W2197608190 title "Entanglement evolution of a two-mode Gaussian system in various thermal environments" @default.
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- W2197608190 doi "https://doi.org/10.1063/1.4937235" @default.
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