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- W2023479993 abstract "We study the ground-state properties of a Bose-Einstein condensate with short-range repulsion and gravitylike $1/r$ interatomic attraction in two-dimensions (2D). Using the variational approach we obtain the ground-state energy and analyze the stability of the condensate for a range of interaction strengths in 2D. We also determine the collective excitations at zero temperature using the time-dependent variational method. We analyze the properties of the Thomas-Fermi-gravity and gravity regimes, and we examine the vortex states, finding the coherence length and monopole mode frequency for these regimes. Our results are compared and contrasted with those in 3D condensates." @default.
- W2023479993 created "2016-06-24" @default.
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- W2023479993 date "2008-05-09" @default.
- W2023479993 modified "2023-09-25" @default.
- W2023479993 title "Ground-state properties, vortices, and collective excitations in a two-dimensional Bose-Einstein condensate with gravitylike interatomic attraction" @default.
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- W2023479993 doi "https://doi.org/10.1103/physreva.77.053604" @default.
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