Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/35553
Title: Numerical Studies of Rotating Bose-Einstein Condensates via Rotating Lagrangian Coordinates
Authors: CAO XIAOMENG
Keywords: Rotating Bose-Einstein Condensation; Gross-Pitaevskii equation, Angular momentum rotation, Lagrangian transformation, Time-splitting method
Issue Date: 24-Aug-2012
Source: CAO XIAOMENG (2012-08-24). Numerical Studies of Rotating Bose-Einstein Condensates via Rotating Lagrangian Coordinates. ScholarBank@NUS Repository.
Abstract: In this thesis, the dynamics of rotating Bose-Einstein Condensation is studied. Under a new Lagrangian coordinate system, the analytical form of density, energy, angular momentum expectation, condensate width and the centre of mass are redefined. The conservation of density, energy and the angular momentum expectation are proved when the trapping potential is radially symmetric in 2D. Then, a second order time splitting method and Fourier pseudo spectral method in space are applied to study numerically the dynamics of condensate. Extensive numerical experiments are done to demonstrate the dynamic results.
URI: http://scholarbank.nus.edu.sg/handle/10635/35553
Appears in Collections:Master's Theses (Open)

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