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Dynamics of kicked matter-wave solitons in an optical lattice |
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| Authors: | A Cetoli BA Malomed |
| Institution: | a Department of Physics, Umeå University, SE-90187 Umeå, Sweden b CNISM and CNR-INFM, Unità di Padova, Dipartimento di Fisica “Galileo Galilei”, Università di Padova, Via Marzolo 8, 35131 Padova, Italy c Department of Interdisciplinary Studies, School of Electrical Engineering, Faculty of Engineering, Tel Aviv University, Tel Aviv 69978, Israel d Dipartimento di Fisica “Galileo Galilei” and CNISM, Università di Padova, Via Marzolo 8, 35131 Padova, Italy |
| Abstract: | We investigate effects of the application of a kick to one-dimensional matter-wave solitons in a self-attractive Bose-Einstein condensate trapped in an optical lattice. The resulting soliton’s dynamics is studied within the framework of the time-dependent nonpolynomial Schrödinger equation. The crossover from the pinning to quasi-free motion crucially depends on the size of the kick, strength of the self-attraction, and parameters of the optical lattice. |
| Keywords: | 03 75 Hh 03 75 Kk 03 75 Lm |
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