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Switching and self-trapping dynamics of bose-Einstein solitons
Authors:S Raghavan  G P Agrawal
Affiliation:1. Rochester Theory Center for Optical Science and Engineering, Department of Physics &2. Astronomy , University of Rochester , Rochester, NY, 14627, USA;3. Rochester Theory Center for Optical Science and Engineering , The Institute of Optics, University of Rochester , Rochester, NY, 14627, USA
Abstract:Abstract

We investigate the dynamics of two weakly coupled Bose condensates in long cigar-shaped traps. The Bose condensates are characterized by attractive mean-field interaction and consequently can be studied in terms of bright solitons. We exploit the analogy with directional fibre couplers in nonlinear fibre optics to uncover interesting dynamical regimes like switching of condensates from one trap to another and self-trapping of condensates. We also discuss the analogy between two weakly coupled Bose condensates and the Josephson junction in superfluids and superconductors.
Keywords:
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