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Quantum Recoil Effects of Spontaneous Emission on Disentanglement |
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| Authors: | ZHENG Li YANG Chui-Ping WANG Ya-Hong ZHENG Tai-Yu |
| Affiliation: | 1.Information Science and Engineering College, Dalian Polytechnic University,;Dalian 116034, China;2.Advanced Science Institute, RIKEN, Wako-shi, Saitama 351-0198, Japan;3.Department of Physics, University of Michigan, Ann Arbor, MI 48109, USA ;4.Department of Physics, Hangzhou Normal University, Hangzhou 310036, China;5.Institute of Theoretical Physics, Northeast Normal University, Changchun;130000, China |
| Abstract: | By taking into account spatial degrees of freedom of atoms, we study theinternal-state disentanglement dynamics of two atoms interacting with avacuum multi-mode noise field. We show that the complete internal-statedisentanglement of the two atoms, caused due to the atomic spontaneousemission can be achieved in a finite time. |
| Keywords: | quantum back-action spontaneous emission disentanglement entanglement sudden death |
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