COUPLED ORDER PARAMETERS IN THE LANDAU THEORY OF PHASE-TRANSITIONS IN SOLIDS

被引：23
|
作者：
STOKES, HT
HATCH, DM
机构：
[1] Department of Physics and Astronomy, Brigham Young University, Provo, Utah
来源：
PHASE TRANSITIONS | 1991年 / 34卷 / 1-4期
关键词：
D O I：
10.1080/01411599108205192
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
We discuss the role of both primary and secondary order parameters in a transition between two solid phases. We show how microscopic distortions which appear at the transition can be calculated using group-theoretical methods. We also show how the form of the coupling term in the Landau free energy influences the behavior of secondary order parameters. © 1991, Taylor & Francis Group, LLC. All rights reserved.
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页码：53 / 67
页数：15
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