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Tunable hybridization of Majorana bound states at the quantum spin Hall edge
Felix Keidel, Pablo Burset, Björn Trauzettel
Confinement at the helical edge of a topological insulator is possible in the presence of proximity-induced magnetic (F) or superconducting (S) order. The interplay of both phenome…
Appearance of the universal value of the zero-bias conductance in a Weyl semimetal-superconductor junction
Song-Bo Zhang, Fabrizio Dolcini, Daniel Breunig +1
We study the differential conductance of a time-reversal symmetric Weyl semimetal-superconductor (N-S) junction with an s-wave superconducting state. We find that there exists an e…
Creation of spin-triplet Cooper pairs in the absence of magnetic ordering
Daniel Breunig, Pablo Burset, Björn Trauzettel
In superconducting spintronics, it is essential to generate spin-triplet Cooper pairs on demand. Up to now, proposals to do so concentrate on hybrid structures in which a supercond…
Decaying spectral oscillations in a Majorana wire with finite coherence length
C. Fleckenstein, F. Domínguez, N. Traverso Ziani +1
Motivated by recent experiments, we investigate the excitation energy of a proximitized Rashba wire in the presence of a position dependent pairing. In particular, we focus on the…
Backscattering in a helical liquid induced by Rashba spin-orbit coupling and electron interactions: locality, symmetry, and cutoff aspects
Maxim Kharitonov, Florian Geissler, Björn Trauzettel
The combination of the time-reversal-symmetric single-particle backscattering field (commonly known as Rashba spin-orbit coupling) and non-backscattering electron interactions is g…
Edge states reconstruction from strong correlations in quantum spin Hall insulators
A. Amaricci, G. Sangiovanni, L. Privitera +3
We study quantum spin Hall insulators with local Coulomb interactions in the presence of boundaries using dynamical mean field theory. We investigate the different influence of the…