Quantum Entanglement of Many Distant Bose-Einstein Condensates in an Optical Lattice by Interference |
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| Authors: | LIU Ya-Feng ZOU Xu-Bo GUO Guang-Can |
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| Institution: | Key Laboratory of Quantum Information, University of Science and Technology of China, Chinese Academy of Sciences, Hefei 230026, China |
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| Abstract: | We propose a scheme to generate maximally entangled states of two distant Bose-Einstein condensates, which are trapped in different potential wells of a one-dimensional optical lattice. We show how such maximally entangled state can be used to test the Bell inequality and realize quantum teleportation of a Bose-Einstein condensate state. The scheme proposed here is based on the interference of Bose-Einstein condensates leaking out from different potential wells of optical lattice. It is briefly pointed out that this scheme can be extended to generate maximally entangled Greenberger-Horne-Zeilinger (GHZ) states of 2m (m >1) distant Bose-Einstein condensates. |
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| Keywords: | quantum entanglement Bose-Einstein condensates optical lattice cold atomic |
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