Discrete magnetic breathers in monoaxial chiral helimagnet

被引：6
|
作者：
Bostrem, I. G. [1 ]
Sinitsyn, Vl. E. [1 ]
Ovchinnikov, A. S. [1 ,2 ]
Ekomasov, E. G. [3 ,4 ]
Kishine, J. [5 ,6 ]
机构：
[1] Ural Fed Univ, Inst Nat Sci & Math, Ekaterinburg 620002, Russia
[2] Russian Acad Sci, Inst Met Phys, Ural Div, Ekaterinburg 620219, Russia
[3] Bashkir State Univ, Ufa 450076, Russia
[4] Natl Res Univ, South Ural State Univ, Chelyabinsk 454080, Russia
[5] Open Univ Japan, Div Nat & Environm Sci, Chiba 2618586, Japan
[6] Inst Mol Sci, Okazaki, Aichi 4448585, Japan
来源：
AIP ADVANCES | 2021年 / 11卷 / 01期
关键词：
MODES; EXCITATIONS; CHAINS;
D O I：
10.1063/9.0000045
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We analyze spatially localized breather excitations for the model of a discrete Heisenberg spin chain, which includes the antisymmetric exchange interaction and single-ion anisotropy of the easy-plane type. In a finite size chain the breather modes may be indexed by number of embedded kink-antikink pairs forming the regular breather lattice. The influence of the antisymmetric exchange on properties of the discrete breather modes is examined.
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页数：5
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