Quantum Coherence and Spin Squeezing in Bose-Einstein Condensate with Josephson-Like Coupling |
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| Authors: | Gang Chen Song Rao Li-Shu Liu |
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| Institution: | 1. Department of Physics, Jiangxi Institute of Education, Nanchang, 330032, People’s Republic of China
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| Abstract: | We consider single-particle coherence and spin squeezing in Bose-Einstein Condensate (BEC) with Josephson-like coupling when the BEC is initially in a coherent spin state. Josephson-like coupling gives vanishing contribution to single-particle coherence and spin squeezing. The stronger squeezing can be achieved by increasing the number of atoms. |
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