Entanglement dynamics modified by an effective atomic environment

A.B. Klimov, I. Sainz and L. Roa
PHYSICAL REVIEW A 73, 3 (2006)

ABSTRACT

We study entanglement dynamics of a couple of two-level atoms resonantly interacting with a cavity mode and embedded in a dispersive atomic environment. We show that in the absence of the environment the entanglement reaches its maximum value when only one excitation is involved. Then, we find that the atomic environment modifies that entanglement dynamics and induces a typical collapse-revival structure even for an initial one photon Fock state of the field.

DOI: http://dx.doi.org/10.1103/PhysRevA.73.032303



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