Vortices in Atomic Bose-Einstein Condensates in the Large Gas Parameter Region

Details Vortices in Atomic Bose-Einstein Condensates in the Large Gas Parameter Region Vortices in Atomic Bose-Einstein Condensates in the Large Gas Parameter Region

2005-03-16

arxiv.org/abs/cond-mat/0503388v1

Phys. Rev. A 71, 053610 (2005)

Physics

Condensed Matter

Other Condensed Matter

To appear in Phys Rev A 71

Scientific paper

10.1103/PhysRevA.71.053610

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.

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