arXiv:0803.2786 [cond-mat.mes-hall]AbstractReferencesReviewsResources Classifications Subjects Themes Keywords topological insulator, spatial dimensions, winding number possess non-trivial, topological ground state degeneracies, non-trivial topological ground state Tags journal article, famous paper Journal Information Publisher Journal Year Month Volume Number Pages DOI URL Miscellaneous Typesetting Pages Language License Submit Reset