THE INFLUENCE OF AN ORDER-DISORDER TYPE STRUCTURAL PHASE-TRANSITION ON THE ISOTOPE EFFECT

被引：3
|
作者：
CHERNY, AY
GALBAATAR, T
机构：
[1] Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, Moscow, 101000
来源：
PHYSICA C | 1993年 / 210卷 / 1-2期
关键词：
D O I：
10.1016/0921-4534(93)90006-C
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The order-disorder type structural phase transition in the La-based cuprate superconductors and its influence on superconductivity, in particular on the isotope effect, is studied theoretically. The temperature dependence of the susceptibility of the strong anharmonic local mode driving the structural transition gives rise to the sip change of its derivative and therefore to a jump in the isotope effect in the vicinity of the temperature of the structural phase transition.
引用
收藏
页码：35 / 41
页数：7
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