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@ARTICLE{Wada:14689,
      author       = {Wada, M. and Murakami, S. and Freimuth, F. and Bihlmayer,
                      G.},
      title        = {{L}ocalized edge states in two-dimensional topological
                      insulators: {U}ltrathin {B}i films},
      journal      = {Physical review / B},
      volume       = {83},
      number       = {12},
      issn         = {1098-0121},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {PreJuSER-14689},
      pages        = {121310},
      year         = {2011},
      note         = {We are grateful to S. Blugel, T. Hirahara, T. Nagao, and S.
                      Yaginuma for helpful discussions. This research was
                      supported in part by MEXT KAKENHI (Grants No. 21000004 and
                      No. 22540327).},
      abstract     = {We theoretically study the generic behavior of the
                      penetration depth of the edge states in two-dimensional
                      quantum spin Hall systems. We found that the momentum-space
                      width of the edge-state dispersion scales with the inverse
                      of the penetration depth. As an example of well-localized
                      edge states, we take the Bi(111) ultrathin film. Its edge
                      states are found to extend almost over the whole Brillouin
                      zone. Correspondingly, the bismuth (111) 1-bilayer system is
                      proposed to have well-localized edge states in contrast to
                      the HgTe quantum well.},
      keywords     = {J (WoSType)},
      cin          = {PGI-1 / IAS-1},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-1-20110106 / I:(DE-Juel1)IAS-1-20090406},
      pnm          = {Grundlagen für zukünftige Informationstechnologien},
      pid          = {G:(DE-Juel1)FUEK412},
      shelfmark    = {Physics, Condensed Matter},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000288595000004},
      doi          = {10.1103/PhysRevB.83.121310},
      url          = {https://juser.fz-juelich.de/record/14689},
}