Abstract
We consider a quantum optics model where the cavity interacts with two-coupled atoms. The atom–atom entanglement, atoms–cavity entanglement and the mixture for the two atoms are investigated, and discuss the effects of the initial conditions, atom–atom coupling and the mean number of photons on the entanglements and mixture. We find that atom–atom coupling plays an important role in the entanglement and mixture. Numerical results show that under some conditions the phenomena of “entanglement sudden death” and “entanglement collapse and revival” emerge.
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