VANHOVE JAHN-TELLER EFFECT AND HIGH-TC SUPERCONDUCTIVITY

被引：1
|
作者：
MARKIEWICZ, RS [1 ]
机构：
[1] NORTHEASTERN UNIV,BARNETT INST,BOSTON,MA 02115
来源：
PHYSICA B | 1994年 / 194卷 / pt 2期
关键词：
D O I：
10.1016/0921-4526(94)91230-0
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
A new model is introduced, in which the structural instabilities associated with the van Hove singularities are reinterpreted in terms of band Jahn-Teller (JT) effects. This allows a model of the low-temperature phases of La2-xBaxCuO4 in terms of static (the low-T tetragonal) or dynamic (the orthorhombic) JT phases. A solitonic model of the dynamic JT phase is presented.
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页码：1461 / 1462
页数：2
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