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Intrinsic Anomalous Hall Effect in Type-II Weyl Semimetals

Zyuzin, A. A. and Tiwari, R. P.. (2016) Intrinsic Anomalous Hall Effect in Type-II Weyl Semimetals. JETP Letters, 103 (11). pp. 717-722.

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Official URL: http://edoc.unibas.ch/52055/

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Abstract

Recently, a new type of Weyl semimetal called type-II Weyl semimetal has been proposed. Unlike the usual (type-I) Weyl semimetal, which has a point-like Fermi surface, this new type of Weyl semimetal has a tilted conical spectrum around the Weyl point. Here we calculate the anomalous Hall conductivity of a Weyl semimetal with a tilted conical spectrum for a pair of Weyl points, using the Kubo formula. We find that the Hall conductivity is not universal and can change sign as a function of the parameters quantifying the tilts. Our results suggest that even for the case where the separation between the Weyl points vanishes, tilting of the conical spectrum could give rise to a finite anomalous Hall effect, if the tilts of the two cones are not identical.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Theoretische Physik (Bruder)
05 Faculty of Science > Departement Physik > Physik > Theoretische Physik Mesoscopics (Loss)
UniBasel Contributors:Tiwari, Rakesh and Zyuzin, Alexander
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Springer
ISSN:0021-3640
e-ISSN:1090-6487
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:15 Feb 2017 08:26
Deposited On:15 Feb 2017 08:26

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