Majorana-like localized spin density without bound states in topologically trivial spin-orbit coupled nanowires

15 May 2020 Rossi Lorenzo Dolcini Fabrizio Rossi Fausto

In the topological phase of spin-orbit coupled nanowires Majorana bound states are known to localize at the nanowire edges and to exhibit a spin density orthogonal to both the magnetic field and the spin-orbit field. By investigating a nanowire exposed to a uniform magnetic field with an interface between regions with different spin-orbit couplings, we find that the orthogonal spin density is pinned at the interface even when both interface sides are in the topologically trivial phase, and even when no bound state is present at all... (read more)

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  • MESOSCALE AND NANOSCALE PHYSICS