The Entanglement Properties Induced by Atoms in Two Separate Cavities Connected by an Optical Fiber |
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Authors: | Dao-Ming Lu |
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Affiliation: | 1.Department of Electronic Engineering,Wuyi University,Wu yishan,China |
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Abstract: | We study the entanglement evolution between two atoms, which are initially entangled with a third atom and trapped in two separated cavities coupled by an optical fiber. We also investigate the temporal evolution in the entanglement between the atom and the local cavity mode. The influence of the state-selective measurement on the atom outside the cavities and the influence of cavity-fiber coupling coefficient on the entanglement are discussed. The results show that the entanglement can be strengthened through the state-selective measurement on the atom outside the cavities. We also find that, by increasing the cavity-fiber coupling coefficient, the atom-atom entanglement is strengthened, but the atom-cavity entanglement is weakened. |
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