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Phys. Rev. A 64, 053611 (2001) [7 pages]

Vortex bending and tightly packed vortex lattices in Bose-Einstein condensates

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J. J. García-Ripoll* and V. M. Pérez-García
Departamento de Matemáticas, E.T.S.I. Industriales, Universidad de Castilla-La Mancha, Avenida Camilo José Cela 3, 13071 Ciudad Real, Spain

Received 2 May 2001; published 10 October 2001

We study in detail the structure of the ground state of elongated rotating Bose-Einstein condensates. This ground state is composed of one or more vortex lines which bend even in completely symmetric setups. This symmetry breaking allows the condensate to smoothly adapt to rotation and to produce tightly packed arrays of vortex lines. The dependence of vortex bending on the relevant parameters is studied.

© 2001 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.64.053611
DOI:
10.1103/PhysRevA.64.053611
PACS:
03.75.Fi, 05.30.Jp, 67.57.De, 67.57.Fg

*Electronic address: jjgarcia@ind-cr.uclm.es

Electronic address: vperez@ind-cr.uclm.es