Spatial coupling of quantum-anomalous-Hall and chiral-Majorana modes

Osca, Javier; Serra, Llorenç
European Physical Journal Special Topics 227, 2025–2035 (2019)

We calculate density and current spatial distributions of a 2D model junction between a normal QAH contact and a superconducting QAH region hosting propagating (chiral) Majorana modes. We use a simplified Hamiltonian describing the spatial coupling of the modes on each side of the junction, as well as the related junction conductance. We study how this coupling is affected by orbital effects caused by an external magnetic field.


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