Generation of entangled states of two atoms inside a leaky cavity

Details Generation of entangled states of two atoms inside a leaky cavity Generation of entangled states of two atoms inside a leaky cavity

2003-09-24

arxiv.org/abs/quant-ph/0309182v1

Physics

Quantum Physics

Scientific paper

10.1103/PhysRevA.68.052312

An in-depth theoretical study is carried out to examine the quasi-deterministic entanglement of two atoms inside a leaky cavity. Two $\Lambda$-type three-level atoms, initially in their ground states, may become maximally entangled through the interaction with a single photon. By working out an exact analytic solution, we show that the probability of success depends crucially on the spectral function of the injected photon. With a cavity photon, one can generate a maximally entangled state with a certain probability that is always less than 50%. However, for an injected photon with a narrower spectral width, this probability can be significantly increased. In particular, we discover situations in which entanglement can be achieved in a single trial with an almost unit probability.

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