Quantum Tunneling of Spinor Bose–Einstein Condensates in an Optical Lattice |
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Authors: | Zhi-Yong Jiao Zhao-Xian Yu |
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Institution: | 1.College of Physics Science and Technology,China University of Petroleum (East China),Dongying,China;2.Department of Physics,Beijing Information Science and Technology University,Beijing,China |
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Abstract: | We have studied tunneling of spinor Bose–Einstein condensate in an optical lattice. It is found that, when the system being
prepared in a squeezed coherent state, there exist the quantum tunneling between lattices l and l+1, l and l−1, respectively. In particular, when the optical lattice is infinitely long and the spin excitations are in the long-wavelength
limit, quantum tunneling disappear between lattices l and l+1, and that l and l−1, in this case the magnetic soliton appears. |
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