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Hyperspherical approach to dipolar droplets beyond the mean-field limit
- Source :
- Physical Review A. 104
- Publication Year :
- 2021
- Publisher :
- American Physical Society (APS), 2021.
-
Abstract
- We apply a hyperspherical formulation to a trapped Bose-Einstein condensate with dipolar and contact interactions. Central to this approach is a general correspondence between $K$-harmonic hyperspherical methods and a suitable Gaussian ansatz to the Gross-Pitaevskii equation, regardless of the form of the interparticle potential. This correspondence allows one to obtain hyperspherical potential energies for a wide variety of physical problems. In the case of the dipolar Bose-Einstein condensate, this motivates the inclusion of a beyond-mean-field term within the hyperspherical picture, which allows us to describe the energies and wave functions of excitations of self-bound dipolar droplets outside the mean-field limit.
Details
- ISSN :
- 24699934 and 24699926
- Volume :
- 104
- Database :
- OpenAIRE
- Journal :
- Physical Review A
- Accession number :
- edsair.doi...........438b325e31b85507ca759e2b2aded895