Formation of vortices in a dense Bose-Einstein condensate

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A relaxation method is employed to study a rotating dense Bose-Einstein condensate beyond Thomas-Fermi approximation. We use a slave-boson model to describe the strongly interacting condensate and derive a generalized non-linear Schrödinger equation with kinetic term for the rotating condensate. In comparison with previous calculations, based on Thomas-Fermi approximation, significant improvements are found in regions, where the condensate in a trap potential is not smooth. The critical angular velocity of the vortex formation is higher than in the Thomas-Fermi prediction.
10 pages, 4 figures

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Other Condensed Matter

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http://salesiana.dossiersoluciones.com/handle/123456789/166489

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0806.4106
 http://arxiv.org/abs/0806.4106
 Phys. Rev. A 78, 013642 (2008)
 doi:10.1103/PhysRevA.78.013642

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arXiv