局域场调制的远距离三原子纠缠
Local field modulated entanglment among three distant atoms
摘要:
我们推广了S. Mancini和S.玻色(Phys.Rev.A \QTR{bf}{70},022307(2004))的情况下的三原子。在平均场近似下,得到了三体伊辛模型相互作用的有效哈密顿量。此外,我们还着重讨论了第三原子的存在对两原子纠缠的影响,并测试了局域光场和光纤对系统纠缠特性的调制作用。
英文摘要:
We extend the scheme for that proposed by S. Mancini and S. Bose (Phys. Rev. A \QTR{bf}{70}, 022307(2004)) to the case of triple-atom. Under mean field approximation, we obtain an effective Hamiltonian of triple-body Ising-model interaction. Furthermore, we stress on discussing the influence of the existence of a third-atom on the two-atom entanglement and testing the modulation effects of locally applied optical fields and fiber on the entanglement properties of our system.
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