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Ring dark solitons and vortex necklaces in Bose-Einstein condensates

Date

Authors

Theocharis, G

Frantzeskakis, D J

Kevrekidis, P G

Malomed, Boris A

Kivshar, Yuri

Publisher

American Physical Society

Abstract

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.

Keywords

Keywords: Approximation theory; Computer simulation; Condensation; Equations of motion; Mathematical transformations; Nonlinear equations; Optics; Perturbation techniques; Solitons; Bose-Einstein condensate; Phase engineering technique; Ring dark soliton; Snake ins

Citation

Physical Review Letters 90.12 (2003): 120403/1-4

URI

http://hdl.handle.net/10440/922
http://digitalcollections.anu.edu.au/handle/10440/922

Collections

ANU Research Publications

Source

Physical Review Letters

Type

Journal article

DOI

10.1103/PhysRevLett.90.120403

Downloads

File

Description

Theocharis_Ring2003.pdf (973.87 KB)

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