Fidelity of Interference Between Two Bose-Einstein Condensates with Collision and Dissipation |
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| Authors: | YU Zhao-Xian JIAO Zhi-Yong |
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| Institution: | Theoretical Physics Division, Nankai Institute of Mathematics, Nankai University, Tianjin 300071, China;Department of Physics, Petroleum University (East China), Dongying 257061, Shandong Province, China Department of Physics,Nankai University,Tianjin 300071,China;Department of Physics, Petroleum University (East China), Dongying 257061, Shandong Province, China |
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| Abstract: | Interference between the two Bose-Einstein condensates with collision and dissipation is investigated. Itis found that when the two condensates are initially in the coherent state, the interference intensity is affected by thecollision and dissipation, but for the initial Fock state, it is only related to the dissipation. Whether the initial stateis in the coherent state or in a Fock state, the fidelity time has nothing to do with collision. For the initial coherentstate, the fidelity loss rate is zero, but for the initial Fock state, it is determined by the initial particle number of thetwo condensates and dissipation. |
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| Keywords: | fidelity interference Bose-Einstein condensate collision dissipation |
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