GREEN FUNCTION THEORY OF A SPIN-1/2 HEISENBERG FERROMAGNET

被引：4

作者：

MOORJANI, K

TANAKA, T

机构：

[1] The Johns Hopkins University, Applied Physics Laboratory, Silver Spring

[2] Catholic University of America, Washington

来源：

PHYSICS LETTERS A | 1969年 / A 28卷 / 09期

关键词：

D O I：

10.1016/0375-9601(69)90485-X

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

An alternative decoupling scheme in the Green function theory of ferromagnetism is proposed. Unlike earlier first-order Green function theories, the present theory does not contain the spurious T3 term in the expression for the spontaneous magnetization at low temperatures. © 1989.

引用

页码：645 / &

共 10 条

[1]

[Anonymous], 1960, SOV PHYS USPEKHI, DOI [DOI 10.1070/PU1960V003N03ABEH003275, 10.1070/pu1960v003n03abeh003275]

[2] GREEN FUNCTION THEORY OF FERROMAGNETISM [J].