Buchhold, Michael ORCID: 0000-0001-5194-9388, Diehl, Sebastian and Altland, Alexander (2018). Vanishing Density of States in Weakly Disordered Weyl Semimetals. Phys. Rev. Lett., 121 (21). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1079-7114

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Abstract

The Brillouin zone of the clean Weyl semimetal contains points at which the density of states (DOS) vanishes. Previous work suggested that below a certain critical concentration of impurities this feature is preserved including in the presence of disorder. This result got criticized for its neglect of rare disorder fluctuations which might bind quantum states and hence generate a finite DOS. We here show that in spite of their existence these states are so fragile that their contribution effectively vanishes when averaged over continuous disorder distributions. This means that the integrity of the nodal points remains protected for weak disorder.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Buchhold, MichaelUNSPECIFIEDorcid.org/0000-0001-5194-9388UNSPECIFIED
Diehl, SebastianUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Altland, AlexanderUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-165563
DOI: 10.1103/PhysRevLett.121.215301
Journal or Publication Title: Phys. Rev. Lett.
Volume: 121
Number: 21
Date: 2018
Publisher: AMER PHYSICAL SOC
Place of Publication: COLLEGE PK
ISSN: 1079-7114
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
FERMI ARCS; DEGENERATE SEMICONDUCTORS; CRITICAL-BEHAVIOR; DISCOVERYMultiple languages
Physics, MultidisciplinaryMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/16556

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