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dc.contributor.authorTahir, Muhammad
dc.contributor.authorSchwingenschlögl, Udo
dc.date.accessioned2014-04-13T13:12:15Z
dc.date.available2014-04-13T13:12:15Z
dc.date.issued2012-08-15
dc.identifier.citationTahir M, Schwingenschlögl U (2012) Quantum magnetotransport properties of topological insulators under strain. Phys Rev B 86. doi:10.1103/PhysRevB.86.075310.
dc.identifier.issn1098-0121
dc.identifier.issn1550-235X
dc.identifier.doi10.1103/PhysRevB.86.075310
dc.identifier.urihttp://hdl.handle.net/10754/315787
dc.description.abstractWe present a detailed theoretical investigation of the quantum magnetotransport properties of topological insulators under strain. We consider an external magnetic field perpendicular to the surface of the topological insulator in the presence of strain induced by the substrate. The strain effects mix the lower and upper surface states of neighboring Landau levels into two unequally spaced energy branches. Analytical expressions are derived for the collisional conductivity for elastic impurity scattering in the first Born approximation. We also calculate the Hall conductivity using the Kubo formalism. Evidence for the beating of Shubnikov–de Haas oscillations is found from the temperature and magnetic field dependence of the collisional and Hall conductivities. In the regime of a strong magnetic field, the beating pattern is replaced by a splitting of the magnetoresistance peaks due to finite strain energy. These results are in excellent agreement with recent HgTe transport experiments.
dc.language.isoen
dc.publisherAmerican Physical Society (APS)
dc.relation.urlhttp://link.aps.org/doi/10.1103/PhysRevB.86.075310
dc.rightsArchived with thanks to Physical Review B
dc.titleQuantum magnetotransport properties of topological insulators under strain
dc.typeArticle
dc.contributor.departmentComputational Physics and Materials Science (CPMS)
dc.contributor.departmentMaterial Science and Engineering Program
dc.contributor.departmentPhysical Science and Engineering (PSE) Division
dc.identifier.journalPhysical Review B
dc.eprint.versionPublisher's Version/PDF
dc.contributor.institutionDepartment of Materials, Imperial College London, London SW7 2AZ, United Kingdom
dc.contributor.institutionMaterials Science and Technology Division, Los Alamos National Laboratory, Los Alamos, NM 87545, United States
dc.contributor.affiliationKing Abdullah University of Science and Technology (KAUST)
dc.identifier.arxivid1603.03584
kaust.personTahir, Muhammad
kaust.personSchwingenschlögl, Udo
refterms.dateFOA2018-06-14T04:01:17Z


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