Abstract
We study the entanglement between two two-level atoms simultaneously interacting with a single-mode thermal field through a two-photon process. When the two atoms are initially in different states they can be entangled through interaction with the thermal field, and the entanglement induced by nonlinear interaction is larger than that induced by linear interaction. On the basis of our results we review two entanglement criteria.
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More From: Journal of Optics B: Quantum and Semiclassical Optics
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