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Ring dark solitons and vortex necklaces in Bose-Einstein condensates

Theocharis, G; Frantzeskakis, D J; Kevrekidis, P G; Malomed, Boris A; Kivshar, Yuri


We introduce the concept of ring dark solitons in Bose-Einstein condensates. We show that relatively shallow rings are not subject to the snake instability, but a deeper ring splits into a robust ringlike cluster of vortex pairs, which performs oscillations in the radial and azimuthal directions, following the dynamics of the original ring soliton.

CollectionsANU Research Publications
Date published: 2003-03-26
Type: Journal article
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.90.120403


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