Vortex Lattice in a Rotating Bose-Einstein Condensate

Details Vortex Lattice in a Rotating Bose-Einstein Condensate Vortex Lattice in a Rotating Bose-Einstein Condensate

2008-07-23

arxiv.org/abs/0807.3633v1

Physics

Condensed Matter

Other Condensed Matter

7 pages, 16 figures

Scientific paper

Numerical simulations of vortex motion in a trapped Bose-Einstein condensate were performed by solving the two-dimensional Gross-Pitaevskii equation in the presence of a simple phenomenological model of interaction between the condensate and the finite temperature thermal cloud. The log (base e) of total energy, trap energy, quantum energy, kinetic energy, internal energy and z-component of the angular momentum vs time were compared with f(x)=a+bx for that time when the vortices come in in the condensate. The increasing/decay rate of these energies and L_{z} were studied as a function of dissipation.

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