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@ARTICLE{Burke:1021584,
      author       = {Burke, Declan and Heffels, Dennis and Moors, Kristof and
                      Schüffelgen, Peter and Grützmacher, Detlev and Connolly,
                      Malcolm R.},
      title        = {{R}obust {M}ajorana bound states in magnetic topological
                      insulator nanoribbons with fragile chiral edge channels},
      journal      = {Physical review / B},
      volume       = {109},
      number       = {4},
      issn         = {2469-9950},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2024-00849},
      pages        = {045138},
      year         = {2024},
      abstract     = {Magnetic topological insulators in the quantum anomalous
                      Hall regime host ballistic chiral edge channels. When
                      proximitized by an s-wave superconductor, these edge states
                      offer the potential for realizing topological
                      superconductivity and Majorana bound states without the
                      detrimental effect of large externally applied magnetic
                      fields on superconductivity. Realizing well-separated
                      unpaired Majorana bound states requires magnetic topological
                      insulator ribbons with a width of the order of the
                      transverse extent of the edge state, however, which is
                      expected to bring the required ribbon width down to around
                      100nm. In this regime, it is known to be extremely difficult
                      to retain the ballistic nature of chiral edge channels and
                      realize a quantized Hall conductance. In this paper, we
                      study the impact of disorder in such magnetic topological
                      insulator nanoribbons and compare the fragility of ballistic
                      chiral edge channels with the stability of Majorana bound
                      states when the ribbon is covered by a superconducting film.
                      We find that the Majorana bound states exhibit greater
                      robustness against disorder than the underlying chiral edge
                      channels.},
      cin          = {PGI-9 / JARA-FIT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-9-20110106 / $I:(DE-82)080009_20140620$},
      pnm          = {5222 - Exploratory Qubits (POF4-522)},
      pid          = {G:(DE-HGF)POF4-5222},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001173687700004},
      doi          = {10.1103/PhysRevB.109.045138},
      url          = {https://juser.fz-juelich.de/record/1021584},
}