Evidence for a Magnetic Seebeck Effect

被引:21
|
作者
Brechet, Sylvain D. [1 ]
Vetro, Francesco A. [1 ]
Papa, Elisa [1 ]
Barnes, Stewart E. [2 ]
Ansermet, Jean-Philippe [1 ]
机构
[1] Ecole Polytech Fed Lausanne, Inst Condensed Matter Phys, Stn 3, CH-1015 Lausanne, Switzerland
[2] Univ Miami, Coral Gables, FL 33124 USA
关键词
MAGNETOSTATIC MODES; SPIN;
D O I
10.1103/PhysRevLett.111.087205
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The irreversible thermodynamics of a continuous medium with magnetic dipoles predicts that a temperature gradient in the presence of magnetization waves induces a magnetic induction field, which is the magnetic analog of the Seebeck effect. This thermal gradient modulates the precession and relaxation. The magnetic Seebeck effect implies that magnetization waves propagating in the direction of the temperature gradient and the external magnetic induction field are less attenuated, while magnetization waves propagating in the opposite direction are more attenuated.
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页数:5
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