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Short note on the density of states in 3D Weyl semimetals

Authors :
Ziegler, K.
Sinner, A.
Source :
Phys. Rev. Lett. 121, 166401 (2018)
Publication Year :
2017

Abstract

The average density of states in a disordered three-dimensional Weyl system is discussed in the case of a continuous distribution of random scattering. Our result clearly indicate that the average density of states does not vanish, reflecting the absence of a critical point for a metal-insulator transition. This calculation supports recent suggestions of an avoided quantum critical point in the disordered three-dimensional Weyl semimetal. However, the effective density of states can be very small such that the saddle-approximation with a vanishing density of states might be valid for practical cases.<br />Comment: 5 pages, 2 figures, minor changes, additional supplement

Details

Database :
arXiv
Journal :
Phys. Rev. Lett. 121, 166401 (2018)
Publication Type :
Report
Accession number :
edsarx.1705.00019
Document Type :
Working Paper
Full Text :
https://doi.org/10.1103/PhysRevLett.121.166401