Ring dark solitons and vortex necklaces in Bose-Einstein condensates

被引：176

作者：

Theocharis, G ^{[1
]}

Frantzeskakis, DJ

Kevrekidis, PG

Malomed, BA

Kivshar, YS

机构：

[1] Univ Athens, Dept Phys, Athens 15784, Greece

[2] Univ Massachusetts, Dept Math & Stat, Amherst, MA 01003 USA

[3] Tel Aviv Univ, Fac Engn, Dept Interdisciplinary Studies, IL-69978 Tel Aviv, Israel

[4] Australian Natl Univ, Res Sch Phys Sci & Engn, Nonlinear Phys Grp, Canberra, ACT 0200, Australia

来源：

PHYSICAL REVIEW LETTERS | 2003年 / 90卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.90.120403

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

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.

引用

页数：4

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