Asymptotic entanglement of two atoms in squeezed light field

Details Asymptotic entanglement of two atoms in squeezed light field Asymptotic entanglement of two atoms in squeezed light field

2011-04-28

arxiv.org/abs/1104.5442v1

Phys. Rev. A 83, 062322(2011)

Physics

Quantum Physics

Scientific paper

The dynamics of entanglement between two - level atoms interacting with a common squeezed reservoir is investigated. It is shown that for spatially separated atoms there is a unique asymptotic state depending on the distance between the atoms and the atom - photons detuning. In the regime of strong correlations there is a one - parameter family of asymptotic steady - states depending on initial conditions. In contrast to the thermal reservoir both types of asymptotic states can be entangled. We calculate the amount of entanglement in the system in terms of concurrence.

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