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Remote atom entanglement in a fibre-connected three-atom system |
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| Authors: | Guo Yan-Qing Chen Jing Song He-Shan |
| Affiliation: | College of Science, Beijing Forestry University,Beijing 100083, China; Department of Physics, Dalian University of Technology,Dalian 116024, China; Department of Physics,Dalian Maritime University, Dalian 116026, China |
| Abstract: | An Ising-type atom--atom interaction is obtained in afibre-connected three-atom system. The interaction is effective whenΔ≈γ0>> g. The preparations of remotetwo-atom and three-atom entanglements governed by this interactionare discussed in a specific parameter region. The overall two-atomentanglement is very small because of the existence of the thirdatom. However, the three-atom entanglement can reach a maximum veryclose to $1$. |
| Keywords: | three-atom system Ising model remote atom entanglement |
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