| Implementing the Deutsch-Jozsa algorithm by using Schrodinger cat states in cavity QED |
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| 引用本文： | 杨榕灿,李洪才,林 秀,陈美香. Implementing the Deutsch-Jozsa algorithm by using Schrodinger cat states in cavity QED[J]. 中国物理, 2006, 15(10): 2320-2323 |
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| 作者姓名： | 杨榕灿 李洪才 林 秀 陈美香 |
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| 作者单位： | School of Physics and Opto-Electronic Technology, Fujian Normal University,Fuzhou 350007, China;School of Physics and Opto-Electronic Technology, Fujian Normal University,Fuzhou 350007, China;School of Physics and Opto-Electronic Technology, Fujian Normal University,Fuzhou 350007, China;School of Physics and Opto-Electronic Technology, Fujian Normal University,Fuzhou 350007, China |
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| 基金项目： | Project supported by theNational Natural Science Foundation (Grant No 10574022), and the Fundsof the Natural Science of Fujian Province, China (Grant No Z0512006). |
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| 摘 要： | We propose a scheme to implement the Deutsch-Jozsa algorithm by using Schroedinger cat states in cavity quantum electron-dynamics （QED）. The scheme is based on the Raman interaction of a degenerate three-level A-type atom with a coherent state in a cavity. By using Schroedinger cat states, the atomic spontaneous emission can be minimized and the Hadamard transformation in our scheme is not needed.
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| 关 键 词： | QED腔 Schrodinger猫态 Deutsch-Jozsa算法 量子电子动力学 |
| 收稿时间： | 2005-12-28 |
| 修稿时间： | 2005-12-282006-04-15 |
Implementing the Deutsch--Jozsa algorithm by using Schr?dinger cat states in cavity QED |
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| Yang Rong-Can,Li Hong-Cai,Lin Xiu and Chen Mei-Xiang. Implementing the Deutsch--Jozsa algorithm by using Schr?dinger cat states in cavity QED[J]. Chinese Physics, 2006, 15(10): 2320-2323 |
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| Authors: | Yang Rong-Can Li Hong-Cai Lin Xiu Chen Mei-Xiang |
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| Affiliation: | School of Physics and Opto-Electronic Technology, Fujian Normal University, Fuzhou 350007, China |
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| Abstract: | We propose a scheme to implement the Deutsch--Jozsa algorithm by usingSchr"{o}dinger cat states in cavity quantum electron-dynamics (QED). The scheme isbased on the Raman interaction of a degenerate three-level Lambda -type atom witha coherent state in a cavity. By using Schr"{o}dinger cat states, the atomicspontaneous emission can be minimized and the Hadamard transformation in our schemeis not needed. |
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| Keywords: | cavity QED, Schr" {o}dinger catstates, Deutsch--Jozsa algorithm |
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