Asymmetrical two-atom entanglement in a coated microsphere

Details Asymmetrical two-atom entanglement in a coated microsphere Asymmetrical two-atom entanglement in a coated microsphere

2006-03-22

arxiv.org/abs/quant-ph/0603198v1

Physics

Quantum Physics

Scientific paper

10.1016/j.physleta.2006.08.004

We study evolution of entanglement of two two-level atoms placed inside a multilayered microsphere. We show that due to inhomogeneity of the field modes this entanglement essentially depends on the atomic positions (asymmetrical entanglement) and also on the detuning between the atomic transitions and field frequencies. The robust and complete entanglement can be achieved even in the resonant case when the atoms have different effective coupling constants, and it can be extended in time if the detuning is large enough. We study analytically the lossless case and estimate numerically the effect of dissipative processes.

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