Dynamics of Periodic Waves in Bose-Einstein Condensate with Time-Dependent Atomic Scattering Length |
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Authors: | LI Hua-Mei |
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Institution: | Department of Physics, Zhejiang Normal University, Jinhua 321004, China |
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Abstract: | Evolution of periodic waves and solitary waves in Bose-Einstein condensates (BECs) with time-dependent atomic scattering length in an expulsive parabolic potential is studied. Based on the mapping deformation method, we successfully obtain periodic wave solutions and solitary wave solutions, including the bright and dark soliton solutions. The results in this paper include some in the literatures Plys. Rev. Lett. 94 (2005) 050402 and Chin. Phys. Lett. 22(2005) 1855]. |
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Keywords: | Gross-Pitaevskii equation periodic wave time-dependent atomic scattering length mapping deformation method |
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