Physics – Condensed Matter – Soft Condensed Matter
Scientific paper
2003-02-05
Physics
Condensed Matter
Soft Condensed Matter
Phys. Rev. Lett., in press
Scientific paper
10.1103/PhysRevLett.90.120403
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 ring-like cluster of vortex pairs, which
performs oscillations in the radial and azimuthal directions, following the
dynamics of the original ring soliton.
Frantzeskakis Dimitri J.
Kevrekidis Panagiotis G.
Kivshar Yuri S.
Malomed Boris A.
Theocharis G.
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