Spin-rotation coupling in ferromagnetic clusters

被引：16
|
作者：
Visuthikraisee, V [1 ]
Bertsch, GF [1 ]
机构：
[1] UNIV WASHINGTON, INST NUCL THEORY, SEATTLE, WA 98195 USA
来源：
PHYSICAL REVIEW A | 1996年 / 54卷 / 06期
关键词：
D O I：
10.1103/PhysRevA.54.5104
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We examine the magnetic response of free clusters considering the spin direction and the cluster orientation as the only active degrees of freedom. The average magnetization in small fields approaches the Langevin value for paramagnets, depending on the degree to which the Hamiltonian preserves symmetries. Superparamagnetic behavior is not achievable within models considering only these degrees of freedom.
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页码：5104 / 5109
页数：6
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