Absence of a magnetic-field-induced metal-insulator transition in Kondo insulators

被引：6
|
作者：
Carruzzo, HM
Yu, CC
机构：
[1] Department of Physics and Astronomy, University of California, Irvine
来源：
PHYSICAL REVIEW B | 1996年 / 53卷 / 23期
关键词：
D O I：
10.1103/PhysRevB.53.15377
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We investigate whether or not Kondo insulators undergo a magnetic-field-induced metal-insulator transition in one dimension at half filling using both a density matrix formulation of the numerical renormalization group and bosonization. Contrary to expectations, the quasiparticle gap never vanishes at any field and no metal-insulator transition is found. We discuss generalizing our result to the asymmetric Anderson lattice.
引用
收藏
页码：15377 / 15380
页数：4
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