Spin waves in a semi-infinite XY ferromagnet

被引：0
|
作者：
Spirin, DV [1 ]
机构：
[1] Tavrida Natl Univ, Dept Phys, UA-95007 Simferopol, Ukraine
来源：
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2003年 / 237卷 / 02期
关键词：
D O I：
10.1002/pssb.200301749
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We examine theoretically the spin waves in a semi-infinite XY ferromagnet placed in an external magnetic field parallel to the surface via the Green's function formalism. The spectra of bulk and surface spin waves are obtained. It is shown that the surface of a semi-infinite XY ferromagnet supports surface spin waves with root dispersion law. However, the penetration depth of these waves is almost the same as for the Heisenberg model.
引用
收藏
页码：553 / 557
页数：5
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