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Title: Vortices in atomic Bose-Einstein condensates in the large-gas-parameter region
Author: Nilsen, J. K.
Mur Petit, Jordi
Guilleumas, Montserrat
Hjorth-Jensen, M.
Polls Martí, Artur
Keywords: Condensació de Bose-Einstein
Equacions en derivades parcials
Mètode de Montecarlo
Bose-Einstein condensation
Partial differential equations
Monte Carlo method
Issue Date: 2005
Publisher: The American Physical Society
Abstract: 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.
Note: Reproducció digital del document publicat en format paper, proporcionada per PROLA i
It is part of: Physical Review A, 2005, vol. 71, núm. 5, p. 053610.
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ISSN: 1050-2947
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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