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Lookup NU author(s): Dr Ryan DoranORCiD, Dr Andrew BaggaleyORCiD, Professor Nick ParkerORCiD
This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).
© 2024 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the "https://creativecommons.org/licenses/by/4.0/"Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.We consider the mean-field vortex solutions and their stability within a two-component Bose-Einstein condensate in the immiscible limit. A variational approach is employed to study a system consisting of a majority component which contains a single quantized vortex and a minority component which fills the vortex core. We show that a super-Gaussian function is a good approximation of the two-component vortex solution for a range of atom numbers of the infilling component by comparing the variational solutions to the full numerical solutions of the coupled Gross-Pitaevskii equations. We subsequently examine the stability of the vortex solutions by perturbing the infilling component away from the center of the vortex core, thereby demonstrating their stability to small perturbations. Finally, we consider the dynamics of infilled vortices.
Author(s): Doran R, Baggaley AW, Parker NG
Publication type: Article
Publication status: Published
Journal: Physical Review A
Year: 2024
Volume: 109
Issue: 2
Online publication date: 14/02/2024
Acceptance date: 10/01/2024
Date deposited: 07/03/2024
ISSN (print): 2469-9926
ISSN (electronic): 2469-9934
Publisher: American Physical Society
URL: https://doi.org/10.1103/PhysRevA.109.023318
DOI: 10.1103/PhysRevA.109.023318
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