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26 April 2024 |
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Time-Dependent Trapping of Solitons in Bose-Einstein Condensates | | H.E. Nistazakis
; D.J. Frantzeskakis
; N. Brouzakis
; F.K. Diakonos
; P. Schmelcher
; J. Schmiedmayer
; | | Date: |
29 Nov 2002 | | Subject: | Soft Condensed Matter | cond-mat.soft | | Abstract: | We study the influence of a time-dependent potential on the motion of solitons in a quasi one-dimensional Bose-Einstein condensate by solving the corresponding Gross-Pitaevskii equation. For a suitable choice of the external potentials as well as the initial soliton characteristics time-dependent trapping of the soliton in a prescribed subarea of the condensate can be achieved. Adiabatic perturbation theory is shown to work remarkably well for large switching on times of the trapping potential and allows to perform a detailed study of the degree of trapping in the complete phase space of the soliton center. A remarkable spiral pattern of the degree of trapping as a function of the soliton characteristics is observed and explained. | | Source: | arXiv, cond-mat/0211702 | | Services: | Forum | Review | PDF | Favorites | |
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