Decoherence in time evolution of bound entanglement

Details Decoherence in time evolution of bound entanglement Decoherence in time evolution of bound entanglement

2007-01-15

arxiv.org/abs/quant-ph/0701093v1

Eur. Phys. J. D 46, 521-530 (2008)

Physics

Quantum Physics

9 pages, 8 figures

Scientific paper

10.1140/epjd/e2007-00319-x

We study a dynamic process of disentanglement by considering the time evolution of bound entanglement for a quantum open system, two qutrits coupling to a common environment. Here, the initial quantum correlations of the two qutrits are characterized by the bound entanglement. In order to show the universality of the role of environment on bound entanglement, both bosonic and spin environments are considered. We found that the bound entanglement displays collapses and revivals, and it can be stable against small temperature and time change. The thermal fluctuation effects on bound entanglement are also considered.

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