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@ARTICLE{Eriksson:861599,
      author       = {Eriksson, Erik and Riwar, Roman and Houzet, Manuel and
                      Meyer, Julia S. and Nazarov, Yuli V.},
      title        = {{T}opological transconductance quantization in a
                      four-terminal {J}osephson junction},
      journal      = {Physical review / B},
      volume       = {95},
      number       = {7},
      issn         = {2469-9950},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2019-02049},
      pages        = {075417},
      year         = {2017},
      abstract     = {Recently we predicted that the Andreev bound-state spectrum
                      of four-terminal Josephson junctions may possess
                      topologically protected zero-energy Weyl singularities,
                      which manifest themselves in a quantized transconductance in
                      units of 4e2/h when two of the terminals are voltage biased
                      [R.-P. Riwar, M. Houzet, J. S. Meyer, and Y. V. Nazarov,
                      Nature Commun. 7, 11167 (2016)]. Here, using the
                      Landauer-Büttiker scattering theory, we compute numerically
                      the currents flowing through such a structure in order to
                      assess the conditions for observing this effect. We show
                      that the voltage below which the transconductance becomes
                      quantized is determined by the interplay of nonadiabatic
                      transitions between Andreev bound states and inelastic
                      relaxation processes. We demonstrate that the topological
                      quantization of the transconductance can be observed at
                      voltages of the order of 10−2Δ/e,Δ being the the
                      superconducting gap in the leads.},
      cin          = {PGI-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-2-20110106},
      pnm          = {144 - Controlling Collective States (POF3-144)},
      pid          = {G:(DE-HGF)POF3-144},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000393852500002},
      doi          = {10.1103/PhysRevB.95.075417},
      url          = {https://juser.fz-juelich.de/record/861599},
}