THE ELASTIC BEHAVIOR OF HEAVY-FERMION COMPOUNDS WITHIN THE MFA APPROACH

被引：10

作者：

WOJCIECHOWSKI, R ^{[1
]}

GEHRING, GA ^{[1
]}

MAJOR, LE ^{[1
]}

机构：

[1] UNIV SHEFFIELD,DEPT PHYS,SHEFFIELD S3 7RH,S YORKSHIRE,ENGLAND

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 1994年 / 6卷 / 45期

关键词：

D O I：

10.1088/0953-8984/6/45/019

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The temperature dependence of the velocity of sound is calculated for heavy fermions within a mean field approach. The basic parameters of the periodic Anderson model, V and E0, are taken to be volume dependent. This leads to a volume dependence of the chemical potential, mu, the renormalized f level energy, epsilon(f), the number of electrons, n(f), and the renormalized hybridization V. These effects are all included in the calculation of the temperature dependence of the sound velocity.

引用

页码：9707 / 9719

页数：13

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