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@ARTICLE{Hsieh:3573,
      author       = {Hsieh, D. and Xia, Y. and Wray, L. and Qian, D. and Pal, A.
                      and Dil, J. H. and Osterwalder, J. and Meier, F. and
                      Bihlmayer, G. and Kane, C. L. and Hor, Y. S. and Cava, R. J.
                      and Hasan, M. Z.},
      title        = {{O}bservation of unconventional quantum spin textures in
                      topological insulators},
      journal      = {Science},
      volume       = {323},
      issn         = {0036-8075},
      address      = {Washington, DC [u.a.]},
      publisher    = {American Association for the Advancement of Scienc},
      reportid     = {PreJuSER-3573},
      pages        = {919 - 922},
      year         = {2009},
      note         = {We thank J. Teo for providing the SS band calculations of
                      antimony (Sb); A. Fedorov, L. Patthey, and D.- H. Lu for
                      beamline assistance; and D. Haldane, B. I. Halperin, N. P.
                      Ong, D. A. Huse, F. Wilczek, P. W. Anderson, D. C. Tsui, J.
                      E. Moore, L. Fu, L. Balents, D.- H. Lee, S. Sachdev, P. A.
                      Lee, and X.- G. Wen for stimulating discussions. C. L. K.
                      was supported by NSF grant DMR-0605066. The spin-resolved
                      ARPES experiments are supported by NSF through the Center
                      for Complex Materials (DMR-0819860) and Princeton
                      University; the use of synchrotron X-ray facilities
                      (ALS-LBNL, Berkeley, and SSRL-SLAC, Stanford) is supported
                      by the Basic Energy Sciences of the U. S. Department of
                      Energy (DE-FG-02-05ER46200) and by the Swiss Light Source,
                      Paul Scherrer Institute, Villigen, Switzerland.},
      abstract     = {A topologically ordered material is characterized by a rare
                      quantum organization of electrons that evades the
                      conventional spontaneously broken symmetry-based
                      classification of condensed matter. Exotic spin-transport
                      phenomena, such as the dissipationless quantum spin Hall
                      effect, have been speculated to originate from a topological
                      order whose identification requires a spin-sensitive
                      measurement, which does not exist to this date in any
                      system. Using Mott polarimetry, we probed the spin degrees
                      of freedom and demonstrated that topological quantum numbers
                      are completely determined from spin texture-imaging
                      measurements. Applying this method to Sb and Bi(1-x)Sb(x),
                      we identified the origin of its topological order and
                      unusual chiral properties. These results taken together
                      constitute the first observation of surface electrons
                      collectively carrying a topological quantum Berry's phase
                      and definite spin chirality, which are the key electronic
                      properties component for realizing topological quantum
                      computing bits with intrinsic spin Hall-like topological
                      phenomena.},
      keywords     = {J (WoSType)},
      cin          = {IFF-1 / IAS-1 / JARA-FIT},
      ddc          = {500},
      cid          = {I:(DE-Juel1)VDB781 / I:(DE-Juel1)IAS-1-20090406 /
                      $I:(DE-82)080009_20140620$},
      pnm          = {Grundlagen für zukünftige Informationstechnologien},
      pid          = {G:(DE-Juel1)FUEK412},
      shelfmark    = {Multidisciplinary Sciences},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:19213915},
      UT           = {WOS:000263295400038},
      doi          = {10.1126/science.1167733},
      url          = {https://juser.fz-juelich.de/record/3573},
}