Decomposition of the SU(2) Gauge Field and Circulation Condition of the Bose-Einstein Condensate |
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| Authors: | LI Xi-Guo JIA Duo-Jie GAO Yuan |
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| Institution: | Research Center of Theoretical Nuclear Physics,National Laboratory of Heavy Ion Collisions,Lanzhou 730000,China2 Institute of Modern Physics,The Chinese Academy of Sciences,Lanzhou 730000,China3 Institute of Theoretical Physics,Lanzhou University, Lanzhou 730000,China |
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| Abstract: | Using decomposition of the SU(2) gauge field in terms of unit vector field, we have discussed circulation condition of the spin-1/2 Bose-Einstein dendensate. For the two-component Bose-Einstein condensate,the SU/(2) symmetry of the internal states leads to a generalization of Mermin-Ho relation as a topological constrain of the superfluid velocity. |
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