Lifshitz transitions via the type-II Dirac and type-II Weyl points

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en Zhang, K. Volovik, G. E. 2017-05-31T05:56:59Z 2017-05-31T05:56:59Z 2017
dc.identifier.citation Zhang , K & Volovik , G E 2017 , ' Lifshitz transitions via the type-II Dirac and type-II Weyl points ' JETP Letters , pp. 1-7 . DOI: 10.1134/S0021364017080094 en
dc.identifier.issn 0021-3640
dc.identifier.issn 1090-6487
dc.identifier.other PURE UUID: 092e7a9b-2a30-4277-a1ba-2ae072bae9b1
dc.identifier.other PURE ITEMURL:
dc.identifier.other PURE LINK:
dc.identifier.other PURE FILEURL:
dc.description | openaire: EC/H2020/694248/EU//TOPVAC
dc.description.abstract The type-II Weyl and type-II Dirac points emerge in semimetals and also in relativistic systems. In particular, the type-II Weyl fermions may emerge behind the event horizon of black holes. The type-II Weyl and Dirac points also emerge as the intermediate states of the topological Lifshitz transitions. In one case the type-II Weyl point connects the Fermi pockets, and the Lifshitz transition corresponds to the transfer of the Berry flux between the Fermi pockets. In the other case the type-II Weyl point connects the outer and inner Fermi surfaces. At the Lifshitz transition the Weyl point is released from both Fermi surfaces. They loose their Berry flux, which guarantees the global stability, and without the topological support the inner surface disappears after shrinking to a point at the second Lifshitz transition. These examples reveal the complexity and universality of topological Lifshitz transitions, which originate from the ubiquitous interplay of a variety of topological characters of the momentum-space manifolds. en
dc.format.extent 7
dc.format.extent 1-7
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation info:eu-repo/grantAgreement/EC/H2020/694248/EU//TOPVAC
dc.relation.ispartofseries JETP Letters en
dc.rights openAccess en
dc.subject.other Physics and Astronomy (miscellaneous) en
dc.subject.other 114 Physical sciences en
dc.title Lifshitz transitions via the type-II Dirac and type-II Weyl points en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department Department of Applied Physics
dc.subject.keyword Physics and Astronomy (miscellaneous)
dc.subject.keyword 114 Physical sciences
dc.identifier.urn URN:NBN:fi:aalto-201705315099
dc.identifier.doi 10.1134/S0021364017080094 info:eu-repo/date/embargoEnd/2018-04-27

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