NON-FERMI-LIQUID STATES OF A MAGNETIC ION IN A METAL

被引：78

作者：

PERAKIS, IE ^{[1
]}

VARMA, CM ^{[1
]}

RUCKENSTEIN, AE ^{[1
]}

机构：

[1] RUTGERS UNIV,SERIN PHYS LAB,PISCATAWAY,NJ 08855

来源：

PHYSICAL REVIEW LETTERS | 1993年 / 70卷 / 22期

关键词：

D O I：

10.1103/PhysRevLett.70.3467

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A model of a local orbital coupled through repulsive interactions to both the hybridizing and the screening channels of a conduction band is solved by Wilson's renormalization group method. At particle-hole symmetry we find non-Fermi-liquid lines of critical points when the interaction in the screening channel is above a critical value. Away from particle-hole symmetry the system displays two stable Fermi-liquid fixed points of different symmetries, separated by a non-Fermi-liquid quantum critical point, in the mixed-valence regime. The behavior in the vicinity of this point is consistent with the marginal Fermi-liquid hypothesis.

引用

页码：3467 / 3470

页数：4

共 29 条

[1] UNIVERSAL NONINTEGER GROUND-STATE DEGENERACY IN CRITICAL QUANTUM-SYSTEMS [J].