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Arun Bansil TherecentresearchinterestsofProfessorBansilhavefocusedonquestionsconcerningtheelectronicstructureandspectroscopyofhigh-Tcsuperconductors,topologicalinsulators,nanosystems,andothercomplexmaterials.ProfessorBansil’sgrouphasdevelopedandimplementedthetheoreticalmethodologyforcarryingoutfirst-principlescalculationsofspectralintensitiesrelevantforangle-resolvedphotoemission,scanningtunnelingmicroscopy/spectroscopy,inelasticx-rayscattering,magneticandnon-magneticComptonscattering,positron-annihilationangularcorrelation,amongotherspectroscopiesinsystemsofthecomplexityofthehigh-Tc’s.Theoreticalapproachesbasedonthelocal-densityapproximationaswellastechniquesforgoingbeyondthisframeworktoincorporateeffectssuchasstrongelectroncorrelations,superconductivityandphononshavebeendevelopedtoobtaincomprehensivespectroscopicmodelingschemes.Wearealsoconsideringhoweffectsofsubstitutionsanddopantsontheelectronicstatescanbetreatedrealisticallyinwideclassesofmaterials.Theseinvestigationshaveyielded,forexample,im
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