Abstract
Abstract
We provide a critical discussion concerning the claim of topological valley currents, driven by a global Berry curvature and valley Hall effect proposed in recent literature. After pointing out a major inconsistency of the theoretical scenario proposed to interpret giant nonlocal resistance, we discuss various possible alternative explanations and open directions of research to solve the mystery of nonlocal transport in graphene superlattices.
Funder
S.R.P.
Irish Research Council
European Union
Seventh Framework Programme
CERCA Programme/Generalitat de Catalunya
MINECO
Danish National Research Foundation
National Science Foundation
University of Delaware Materials Research Science and Engineering Center DMR
Subject
Condensed Matter Physics,General Materials Science,Atomic and Molecular Physics, and Optics
Cited by
12 articles.
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