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Matter-wave soliton bouncing on a reflecting surface under the effect of gravity

Benseghir, A. and Wan Abdullah, W. A. T. and Baizakov, B. B. and Abdullaev, Fatkhulla (2014) Matter-wave soliton bouncing on a reflecting surface under the effect of gravity. Physical Review A - Atomic, Molecular, and Optical Physics, 90 (2). 023607-1. ISSN 1050-2947

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Abstract

The dynamics of a matter-wave soliton bouncing on the reflecting surface (atomic mirror) under the effect of gravity has been studied by analytical and numerical means. The analytical description is based on the variational approach. Resonant oscillations of the soliton's center of mass and width, induced by appropriate modulation of the atomic scattering length and the slope of the linear potential, are analyzed. In numerical experiments we observe the Fermi-type acceleration of the soliton when the vertical position of the reflecting surface is periodically varied in time. Analytical predictions are compared to the results of numerical simulations of the Gross-Pitaevskii equation and qualitative agreement between them is found

Item Type: Article (Journal)
Additional Information: 7021/37771
Uncontrolled Keywords: quantum bouncer; feshbach resonances; evanescent-wave; cesium atoms; airy beams; mirror; potentials; mechanics; neutrons; models
Subjects: Q Science > QC Physics
Kulliyyahs/Centres/Divisions/Institutes: Kulliyyah of Science > Department of Physics
Depositing User: Prof Fatkhulla Abdullaev
Date Deposited: 18 Aug 2014 16:36
Last Modified: 20 Sep 2017 16:35
URI: http://irep.iium.edu.my/id/eprint/37771

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