Spin wave vortex from the scattering on Bloch point solitons

被引：6
作者：
Carvalho-Santos, V. L. [1 ,2 ]
Elias, R. G. [2 ]
Nunez, A. S. [3 ]
机构：
[1] Inst Fed Educ Ciencia & Tecnol Baiano, Senhor Do Bonfim, BA, Brazil
[2] Univ Santiago Chile, Dept Fis, Santiago, Chile
[3] Univ Chile, Fac Ciencias Fis & Matemat, Dept Fis, Santiago, Chile
来源：
ANNALS OF PHYSICS | 2015年 / 363卷
关键词：
Spin waves; Magnonics; Bloch point; Magnetic solitons; ANGULAR-MOMENTUM; SINGULARITIES;
D O I：
10.1016/j.aop.2015.10.005
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The interaction of a spin wave with a stationary Bloch point is studied. The topological non-trivial structure of the Bloch point manifests in the propagation of spin waves endowing them with a gauge potential that resembles the one associated with the interaction of a magnetic monopole and an electron. By pursuing this analogy, we are led to the conclusion that the scattering of spin waves and Bloch points is accompanied by the creation of a magnon vortex. Interference between such a vortex and a plane wave leads to dislocations in the interference pattern that can be measurable by means of magnon holography. (C) 2015 Elsevier Inc. All rights reserved.
引用
收藏
页码：364 / 370
页数：7
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