Vortex transmutation -: art. no. 123901

被引：61

作者：

Ferrando, A

Zacarés, M

García-March, MA

Monsoriu, JA

de Córdoba, PF

机构：

[1] Univ Valencia, Dept Opt, E-46100 Burjassot, Valencia, Spain

[2] Univ Politecn Valencia, Dept Matemat Aplicada, E-46022 Valencia, Spain

[3] Univ Politecn Valencia, IMPA, E-46022 Valencia, Spain

[4] Univ Politecn Valencia, Inst Ingn Energet, E-46022 Valencia, Spain

[5] Univ Politecn Valencia, Dept Fis Aplicada, E-46022 Valencia, Spain

来源：

PHYSICAL REVIEW LETTERS | 2005年 / 95卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.95.123901

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Using group theory arguments and numerical simulations, we demonstrate the possibility of changing the vorticity or topological charge of an individual vortex by means of the action of a system possessing a discrete rotational symmetry of finite order. We establish on theoretical grounds a "transmutation pass rule" determining the conditions for this phenomenon to occur and numerically analyze it in the context of two-dimensional optical lattices. An analogous approach is applicable to the problems of Bose-Einstein condensates in periodic potentials.

引用

页数：4

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