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Vortices in atomic Bose-Einstein condensates in the large-gas-parameter region
Nilsen, J. K.; Mur Petit, Jordi; Guilleumas, Montserrat; Hjorth-Jensen, M.; Polls Martí, Artur
Universitat de Barcelona
In this work we compare the results of the Gross-Pitaevskii and modified Gross-Pitaevskii equations with ab initio variational Monte Carlo calculations for Bose-Einstein condensates of atoms in axially symmetric traps. We examine both the ground state and excited states having a vortex line along the z axis at high values of the gas parameter and demonstrate an excellent agreement between the modified Gross-Pitaevskii and ab initio Monte Carlo methods, both for the ground and vortex states.
04-05-2010
Condensació de Bose-Einstein
Equacions en derivades parcials
Mètode de Montecarlo
Bose-Einstein condensation
Partial differential equations
Monte Carlo method
(c) The American Physical Society, 2005
Article
The American Physical Society
         

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