Adiabatic transport of Bose-Einstein condensates in a double-well trap: Case of weak nonlinearity |
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| Authors: | V O Nesterenko A N Novikov E Suraud |
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| Institution: | 1. Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, Dubna, Moscow oblast, 141980, Russia
2. Laboratoire de Physique Thoretique, Université Paul Sabatier, 118 Route de Narbonne, 31062 cedex, Toulouse, France
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| Abstract: | A complete adiabatic transport of Bose-Einstein condensate in a double-well trap is investigated within the Landau-Zener (LZ), and Gaussian Landau-Zener (GLZ) schemes for the case of a small non-linearity, when the atomic interaction is weaker than the coupling. The schemes use the constant (LZ) and time-dependent Gaussian (GLZ) couplings. The mean field calculations show that LZ and GLZ suggest essentially different transport dynamics. Significant deviations from the case of a strong coupling are discussed. |
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