Snell's Law for a vortex dipole in a Bose-Einstein condensate

A quantum vortex dipole, comprised of a closely bound pair of vortices of equal strength with opposite circulation, is a spatially localized travelling excitation of a planar superfluid that carries linear momentum, suggesting a possible analogy with ray optics. We investigate numerically and ana...

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Bibliographic Details
Main Author: Michael M. Cawte, Xiaoquan Yu, Brian P. Anderson, Ashton S. Bradley
Format: Article
Language:English
Published: SciPost 2019-03-01
Series:SciPost Physics
Online Access:https://scipost.org/SciPostPhys.6.3.032