Linear vs. non-linear magnetic and charge relaxation in itinerant ferromagnets: magnetoresistive manganites

被引：3
|
作者：
Solontsov, A
Lacroix, C
机构：
[1] State Ctr Condensed Matter Phys, Moscow 123060, Russia
[2] AA Bochvar Inorgan Mat Res Inst, Moscow 123060, Russia
[3] CNRS, Lab Louis Neel, F-38042 Grenoble 9, France
来源：
PHYSICS LETTERS A | 2002年 / 298卷 / 2-3期
关键词：
magnetic and charge relaxation; magnons; spin fluctuations; magnetoresistance;
D O I：
10.1016/S0375-9601(02)00476-0
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
An interplay between possible mechanisms of magnetic and charge relaxation in itinerant electron ferromagnets is investigated. It is shown that non-linear ones due to emission (absorption) of spin or charge fluctuations by magnons may dominate giving rise to non-linear quasielastic spin and charge fluctuations observed in the colossal magnetoresistive manganites. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：199 / 206
页数：8
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