Lookup NU author(s): Dr Nicholas Parker
This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).
We present vortex solutions for the homogeneous two-dimensional Bose-Einstein condensate featuring dipolar atomic interactions, mapped out as a function of the dipolar interaction strength (relative to the contact interactions) and polarization direction. Stable vortex solutions arise in the regimes where the fully homogeneous system is stable to the phonon or roton instabilities. Close to these instabilities, the vortex profile differs significantly from that of a vortex in a nondipolar quantum gas, developing, for example, density ripples and an anisotropic core. Meanwhile, the vortex itself generates a mesoscopic dipolar potential which, at distance, scales as 1/ρ2 and has an angular dependence which mimics the microscopic dipolar interaction.
Author(s): Mulkerin BC, O'Dell DHJ, Martin AM, Parker NG
Publication type: Article
Publication status: Published
Journal: Journal of Physics: Conference Series
Print publication date: 09/04/2014
Date deposited: 15/04/2014
ISSN (print): 1742-6588
ISSN (electronic): 1742-6596
Publisher: Institute of Physics Publishing Ltd.
Notes: Presented at the 22nd International Laser Physics Workshop (LPHYS 13), 15 - 19 July 2013, Prague, Czech Republic.
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