POSSIBLE REALIZATION OF A NON-FERMI-LIQUID GROUND-STATE IN SOME HEAVY-FERMION SYSTEMS

被引：21

作者：

ANDRAKA, B

机构：

[1] Department of Physics, University of Florida, Gainesville

来源：

PHYSICA B | 1994年 / 199卷

关键词：

D O I：

10.1016/0921-4526(94)91796-5

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We review experimental results for several U- and Ce-based intermetallics displaying non-Fermi-liquid behavior. U0.2Y0.8Pd3, UCu3.5Pd1.5, and Ce0.1La0.9Cu2.2Si2 have C/T proportional to log T and electrical resistivities approximately linear with temperature with negative temperature coefficients. Relatively small modifications of their chemical compositions can result in a spin-glass behavior. UCu4Pd which borders with an antiferromagnetic part of the UCu5-xPdx magnetic phase diagram has both C/T [is-proportional-to T-1/3] and rho even stronger deviating from the Fermi-liquid behavior than the other discussed alloys. Our results imply a magnetic nature of the phenomenon.

引用

页码：239 / 243

页数：5

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