Disorder in tilted Weyl semimetals from a renormalization group perspective

Article

关键词: FERMION SEMIMETAL;    DISCOVERY;    DIFFUSION;    ABSENCE;    STATE;   

DOI  :  10.1103/PhysRevB.96.155121

来源: SCIE

【 摘 要 】

Isolated Weyl cones in a disordered environment do not show the phenomenon of Anderson localization due to the absence of backscattering processes. However, besides the conventional three dimensional diffusive metal, an additional semimetallic phase can form. In this paper we study the effect of tilt on the physics of disorder in isolatedWeyl cones. Our main finding is that, while the semimetallic phase remains a stable phase, tilt decreases the size of the semimetallic region. Conversely, disorder increases the effective tilt of the quasiparticle excitations.

【 授权许可】

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