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@ARTICLE{MartinezCastro:1039747,
      author       = {Martinez-Castro, Jose and Wichmann, Tobias and Jin, Keda
                      and Samuely, Tomas and Lyu, Zhongkui and Yan, Jiaqiang and
                      Onufriienko, Oleksander and Szabó, Pavol and Tautz, F.
                      Stefan and Ternes, Markus and Lüpke, Felix},
      title        = {{O}ne-dimensional topological superconductivity in a van
                      der {W}aals heterostructure},
      reportid     = {FZJ-2025-01786, arXiv:2304.08142},
      year         = {2023},
      note         = {13 pages, 4 figures},
      abstract     = {One-dimensional (1D) topological superconductivity is a
                      state of matter that is not found in nature. However, it can
                      be realised, for example, by inducing superconductivity into
                      the quantum spin Hall edge state of a two-dimensional
                      topological insulator. Because topological superconductors
                      are proposed to host Majorana zero modes, they have been
                      suggested as a platform for topological quantum computing.
                      Yet, conclusive proof of 1D topological superconductivity
                      has remained elusive. Here, we employ low-temperature
                      scanning tunnelling microscopy to show 1D topological
                      superconductivity in a van der Waals heterostructure by
                      directly probing its superconducting properties, instead of
                      relying on the observation of Majorana zero modes at its
                      boundary. We realise this by placing the two-dimensional
                      topological insulator monolayer WTe$_2$ on the
                      superconductor NbSe$_2$. We find that the superconducting
                      topological edge state is robust against magnetic fields, a
                      hallmark of its triplet pairing. Its topological protection
                      is underpinned by a lateral self-proximity effect, which is
                      resilient against disorder in the monolayer edge. By
                      creating this exotic state in a van der Waals
                      heterostructure, we provide an adaptable platform for the
                      future realization of Majorana bound states. Finally, our
                      results more generally demonstrate the power of Abrikosov
                      vortices as effective experimental probes for
                      superconductivity in nanostructures.},
      cin          = {PGI-3},
      cid          = {I:(DE-Juel1)PGI-3-20110106},
      pnm          = {5213 - Quantum Nanoscience (POF4-521)},
      pid          = {G:(DE-HGF)POF4-5213},
      typ          = {PUB:(DE-HGF)25},
      eprint       = {2304.08142},
      howpublished = {arXiv:2304.08142},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2304.08142;\%\%$},
      url          = {https://juser.fz-juelich.de/record/1039747},
}