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Remote Three-Atom Information Concentration without Bell-State Measurement |
| WU Zhen-Zhen;FANG Mao-Fa |
| College of Physics and Information Science, Hunan Normal University, Changsha 410081 |
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| Cite this article: |
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WU Zhen-Zhen, FANG Mao-Fa 2006 Chin. Phys. Lett. 23 1683-1686 |
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Abstract We propose a scheme for information concentration of three remote two-level atoms in cavity QED. Our scheme does not involve the Bell-state measurement. During the interaction between atom and cavity, the cavity frequency is largely detuned from the atomic transition frequency, thus the scheme is insensitive to both the cavity decay and the thermal field. The idea can also be used to realize the remote information concentration of trapped ions.
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| Keywords:
03.67.Hk
42.50.Dv
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Published: 01 July 2006
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| PACS: |
03.67.Hk
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(Quantum communication)
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42.50.Dv
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(Quantum state engineering and measurements)
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