The effect of anharmonicity on the isotope shift of superconducting transition temperature

被引：1

作者：

Salamatov, EI ^{[1
]}

机构：

[1] Phys Tech Inst, Izhevsk 426001, Russia

来源：

SOLID STATE COMMUNICATIONS | 1998年 / 106卷 / 05期

关键词：

electron-phonon interactions; anharmonicity;

D O I：

10.1016/S0038-1098(98)00031-3

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The effect of anharmonicity on the isotope shift of the superconducting transition temperature is studied within the framework of a modified pseudoharmonic approximation with due account of thermal energy fluctuations. The investigation is performed under the assumption that the main contribution to the electron-phonon interaction constant comes from the selected phonon mode. The results obtained allow the experimental data to be qualitatively interpreted. (C) 1998 Elsevier Science Ltd. All rights reserved.

引用

页码：269 / 272

页数：4

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