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Antichiral states in twisted graphene multilayers

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Denner, M. Michael
dc.contributor.author Lado, Jose
dc.contributor.author Zilberberg, Oded
dc.date.accessioned 2020-11-30T08:13:37Z
dc.date.available 2020-11-30T08:13:37Z
dc.date.issued 2020-11-05
dc.identifier.citation Denner , M M , Lado , J & Zilberberg , O 2020 , ' Antichiral states in twisted graphene multilayers ' , PHYSICAL REVIEW RESEARCH , vol. 2 , no. 4 , 043190 . https://doi.org/10.1103/PhysRevResearch.2.043190 en
dc.identifier.issn 2643-1564
dc.identifier.other PURE UUID: 4317abbe-32ac-4ed9-9496-25dd1b4dd001
dc.identifier.other PURE ITEMURL: https://research.aalto.fi/en/publications/4317abbe-32ac-4ed9-9496-25dd1b4dd001
dc.identifier.other PURE FILEURL: https://research.aalto.fi/files/52771794/Denner_Antichiral.PhysRevResearch.2.043190_1.pdf
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/61690
dc.description.abstract The advent of topological phases of matter revealed a variety of observed boundary phenomena, such as chiral and helical modes found at the edges of two-dimensional (2D) topological insulators. Antichiral states in 2D semimetals, i.e., copropagating edge modes on opposite edges compensated by a counterpropagating bulk current, are also predicted, but, to date, no realization of such states in a solid-state system has been found. Here, we put forward a procedure to realize antichiral states in twisted van der Waals multilayers, by combining the electronic Dirac-cone spectra of each layer through the combination of the orbital moiré superstructure, an in-plane magnetic field, and interlayer bias voltage. In particular, we demonstrate that a twisted van der Waals heterostructure consisting of graphene/two layers of hexagonal boron nitride [(hBN)2]/graphene will show antichiral states at in-plane magnetic fields of 8 T, for a rotation angle of 0.2∘ between the graphene layers. Our findings engender a controllableprocedure to engineer antichiral states in solid-state systems, as well as in quantum engineered metamaterials. en
dc.format.extent 8
dc.format.mimetype application/pdf
dc.language.iso en en
dc.publisher American Physical Society
dc.relation.ispartofseries PHYSICAL REVIEW RESEARCH en
dc.relation.ispartofseries Volume 2, issue 4 en
dc.rights openAccess en
dc.title Antichiral states in twisted graphene multilayers en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department ETH Zurich
dc.contributor.department Correlated Quantum Materials (CQM)
dc.contributor.department Department of Applied Physics en
dc.identifier.urn URN:NBN:fi:aalto-2020113020535
dc.identifier.doi 10.1103/PhysRevResearch.2.043190
dc.type.version publishedVersion


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