Anisotropy and vortices in Bose Einstein condensates
ESAIM. Proceedings, Tome 27 (2009), pp. 1-14
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The fast rotation of a Bose Einstein condensate in a harmonic trap leads to a hexagonal lattice of vortices, called the Abrikosov lattice. Vortices are described as the zeros of the condensate wave function, which is a solution to a nonlinear Schrödinger equation type. We study the solutions of this equation on a specific eigenspace of the limiting problem, the Lowest Landau Level. Upper and lower bounds for the energy allow to determine the presence of a vortex lattice or the lack of visible vortices, as a function of the anisotropy and the rotation. The study of the critical regime is open and would need some numerical simulations. This constitutes a project in collaboration with Xavier Blanc and Nicolas Lerner.
@article{EP_2009_27_a1,
author = {Amandine Aftalion},
title = {Anisotropy and vortices in {Bose} {Einstein} condensates},
journal = {ESAIM. Proceedings},
pages = {1--14},
year = {2009},
volume = {27},
doi = {10.1051/proc/2009017},
language = {en},
url = {http://geodesic.mathdoc.fr/articles/10.1051/proc/2009017/}
}
Amandine Aftalion. Anisotropy and vortices in Bose Einstein condensates. ESAIM. Proceedings, Tome 27 (2009), pp. 1-14. doi: 10.1051/proc/2009017
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