Field-induced suppression of the heavy-fermion state in YbRh2Si2

被引：28

作者：

Zwicknagl, Gertrud ^{[1
]}

机构：

[1] Tech Univ Carolo Wilhelmina Braunschweig, Inst Math Phys, D-38106 Braunschweig, Germany

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 2011年 / 23卷 / 09期

关键词：

QUASI-PARTICLES; METAMAGNETIC TRANSITION; SURFACE; EXCITATIONS;

D O I：

10.1088/0953-8984/23/9/094215

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We present calculations of the magnetic-field-induced changes of the heavy quasiparticles in YbRh2Si2 which are reflected in thermodynamic and transport properties. The quasiparticles are determined by means of the renormalized band method. The progressive de-renormalization of the quasiparticles in the magnetic field is accounted for using field-dependent quasiparticle parameters deduced from numerical renormalization group studies. Consequences for the interpretation of experimental data are discussed.

引用

页数：7

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