Hybridization Wave as the "Hidden Order" in URu2Si2

被引：65

作者：

Dubi, Yonatan ^{[1
]}

Balatsky, Alexander V. ^{[1
,2
]}

机构：

[1] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA

[2] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM 87545 USA

来源：

PHYSICAL REVIEW LETTERS | 2011年 / 106卷 / 08期

关键词：

ELECTRON SUPERCONDUCTOR URU2SI2; HEAVY-FERMION COMPOUNDS; KONDO-LATTICE; SURFACE; EXCITATIONS; TRANSITION; SYSTEM; FIELD;

D O I：

10.1103/PhysRevLett.106.086401

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A phenomenological model for the "hidden order'' transition in the heavy-Fermion material URu2Si2 is introduced. The hidden order is identified as an incommensurate, momentum-carrying hybridization between the light hole band and the heavy electron band. This modulated hybridization appears after a Fano hybridization at higher temperatures takes place. We focus on the hybridization wave as the order parameter in URu2Si2 and possibly other materials with similar band structures. The model is qualitatively consistent with numerous experimental results obtained from, e.g., neutron scattering and scanning tunneling microscopy. Specifically, we find a gaplike feature in the density of states and the appearance of features at an incommensurate vector Q* similar to 0.6 pi/a(0). Finally, the model allows us to make various predictions which are amenable to current experiments.

引用

页数：4

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