Generation of Multiple-Atom Entangled States with Weak Cross-Kerr Nonlinearity
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- 作者：Wei Xiong (1) xiongwei126@126.com
Liu Ye (1) - 关键词：Separate cavities – ; Cross ; Kerr nonlinearities – ; Entangled states
- 刊名：International Journal of Theoretical Physics
- 出版年：2012
- 出版时间：April 2012
- 年：2012
- 卷：51
- 期：4
- 页码：1082-1088
- 全文大小：350.4 KB
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- 刊物类别：Physics and Astronomy
- 刊物主题：Physics
Physics
Quantum Physics
Elementary Particles and Quantum Field Theory
Mathematical and Computational Physics - 出版者：Springer Netherlands
- ISSN：1572-9575
文摘
We propose a scheme to generate multiple-atom entangled states in separate cavities. In our scheme, only weak cross-Kerr mediums, homodyne measurement, and some linear elements are employed. With the help of homodyne measurement, four-atom GHZ state can be obtained with high probability and fidelity, and the proposal can be easily scaled to prepare multiple-atom GHZ state. Under ideal conditions, the success probability will not be affected by atomic numbers.