Predicted Unusual Magnetoresponse in Type-II Weyl Semimetals

We show several distinct signatures in the magnetoresponse of type-II Weyl semimetals. The energy tilt tends to squeeze the Landau levels (LLs), and, for a type-II Weyl node, there always exists a critical angle between the B field and the tilt, at which the LL spectrum collapses, regardless of the...

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Bibliographic Details
Published in:Physical review letters 2016-08, Vol.117 (7), p.077202-077202, Article 077202
Main Authors: Yu, Zhi-Ming, Yao, Yugui, Yang, Shengyuan A
Format: Article
Language:English
Subjects:
Absorption
Camber
Collapse
Critical angle
Field strength
Metalloids
Signatures
Tilt
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Summary:We show several distinct signatures in the magnetoresponse of type-II Weyl semimetals. The energy tilt tends to squeeze the Landau levels (LLs), and, for a type-II Weyl node, there always exists a critical angle between the B field and the tilt, at which the LL spectrum collapses, regardless of the field strength. Before the collapse, signatures also appear in the magneto-optical spectrum, including the invariable presence of intraband peaks, the absence of absorption tails, and the special anisotropic field dependence.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.117.077202