TEMPERATURE-DEPENDENT, INDIRECT-EXCHANGE INTERACTION BETWEEN MAGNETIC IONS

被引:6
作者
DARBY, MI
机构
[1] Department of Pure and Applied Physics, University of Salford, Lancashire
关键词
D O I
10.1119/1.1975574
中图分类号
G40 [教育学];
学科分类号
040101 ; 120403 ;
摘要
Using first-order perturbation theory by analogy with the screening of a point charge by an electron gas, it is shown how the Ruderman-Kittel-Kasuya-Yosida indirect exchange interaction can be generalized to be temperature-dependent. An approximate expression is obtained for the molecular field in this case, and its application is briefly discussed. © 1969, American Association of Physics Teachers. All rights reserved.
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页码:354 / +
页数:1
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