Sudden death and birth of entanglement beyond the Markovian approximation

Details Sudden death and birth of entanglement beyond the Markovian approximation Sudden death and birth of entanglement beyond the Markovian approximation

2009-03-25

arxiv.org/abs/0903.4225v2

Physics Letters A 373 (2009) 1906-1910

Physics

Quantum Physics

4 pages, 2 figures

Scientific paper

10.1016/j.physleta.2009.03.054

We investigate the entanglement dynamics of two initially entangled qubits interacting independently with two uncorrelated reservoirs beyond the Markovian approximation. Quite different from the Markovian reservoirs [C. E. Lopez et al., Phys. Rev. Lett. 101 (2008) 080503], we find that entanglement sudden birth (ESB) of the two reservoirs occurs without certain symmetry with respect to the entanglement sudden death (ESD) of the two qubits. A phenomenological interpretation of entanglement revival is also given.

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