Chiral anomaly and second-harmonic generation in Weyl semimetals

被引：30

作者：

Zyuzin, A. A. ^{[1
,2
,3
]}

Zyuzin, A. Yu. ^{[3
]}

机构：

[1] Royal Inst Technol, Dept Phys, SE-10691 Stockholm, Sweden

[2] Univ Basel, Dept Phys, Klingelbergstr 82, CH-4056 Basel, Switzerland

[3] Ioffe Phys Tech Inst, St Petersburg 194021, Russia

来源：

PHYSICAL REVIEW B | 2017年 / 95卷 / 08期

基金：

瑞典研究理事会;

关键词：

FERMION SEMIMETAL; PHASE;

D O I：

10.1103/PhysRevB.95.085127

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We study second-harmonic generation in centrosymmetric Weyl semimetal with broken time reversal symmetry. We calculate electric current density at the double frequency of the propagating electromagnetic field in the presence of an applied constant magnetic field, using the method of kinetic equation for electron distribution function. It is shown that the chiral anomaly contribution to second-harmonic generation in the lowest order is linearly proportional to the applied magnetic field. The limit when the chiral anomaly dominates over the Lorentz-type contribution to second-harmonic generation is discussed.

引用

页数：8

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