Stable vortex dipoles in nonrotating Bose-Einstein condensates -: art. no. 063609

被引：95

作者：

Crasovan, LC ^{[1
]}

Vekslerchik, V

Pérez-García, VM

Torres, JP

Mihalache, D

Torner, L

机构：

[1] Univ Politecn Cataluna, ICFO Inst Ciencies Foton, ES-08034 Barcelona, Spain

[2] Univ Politecn Cataluna, Dept Signal Theory & Commun, ES-08034 Barcelona, Spain

[3] Univ Castilla La Mancha, ETSI Ind, Dept Matemat, E-13071 Ciudad Real, Spain

[4] Inst Atom Phys, Dept Theoret Phys, R-76900 Bucharest, Romania

来源：

PHYSICAL REVIEW A | 2003年 / 68卷 / 06期

关键词：

D O I：

10.1103/PhysRevA.68.063609

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We find stable families of vortex dipoles in nonrotating Bose-Einstein condensates. The vortex dipoles correspond to topological excited collective states of the condensed atoms. They exist and are dynamically and structurally stable for a broad range of parameters. We show that they can be generated by phase-imprinting techniques on the ground state of condensates.

引用

页数：5

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