3 June 2002 Nonground stationary states of Bose condensate of trapped neutral atoms
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Small deviations from the stationary solutions of the Gross_Pitaevskii equation describing non-ground states of Bose-Einstein condensate of atoms in a harmonic trap are analyzed basing on the Bogoliubov equations and using both perturbation theory and direct numerical calculations. Non- vortex excited stationary that were not studied before are shown to possess new and unexpected features.
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Vladislav V. Serov, Vladislav V. Serov, Vladimir L. Derbov, Vladimir L. Derbov, Sergey I. Vinitsky, Sergey I. Vinitsky, V. I. Yukalov, V. I. Yukalov, "Nonground stationary states of Bose condensate of trapped neutral atoms", Proc. SPIE 4706, Saratov Fall Meeting 2001: Laser Physics and Photonics, Spectroscopy, and Molecular Modeling II, (3 June 2002); doi: 10.1117/12.469592; https://doi.org/10.1117/12.469592

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