Pressure effects on heavy fermion alloys

Authors
Citation
S. Zhang, Pressure effects on heavy fermion alloys, PHYS LETT A, 284(1), 2001, pp. 49-58
Citations number
20
Language
INGLESE
art.tipo
Article
Categorie Soggetti
Physics
Journal title
PHYSICS LETTERS A
ISSN journal
0375-9601 → ACNP
Volume
284
Issue
1
Year of publication
2001
Pages
49 - 58
Database
ISI
SICI code
0375-9601(20010528)284:1<49:PEOHFA>2.0.ZU;2-9
Abstract
In this Letter, the effects of pressure on heavy fermion alloys are studied in the framework of the Yoshimori-Kasai model under the coherent potential approximation. A unified picture is presented for both the electron-type h eavy fermion systems and the hole-type heavy fermion systems. The density o f stares of f-electrons under the applied pressure and its variation with t he alloy concentration are calculated self-consistently. The slave-boson pa rameter and the Kondo temperature are also obtained. These calculations sho w the incorporated results of alloying effects and pressure effects, in agr eement with the experiments qualitatively. (C) 2001 Published by Elsevier S cience B.V.