193 citations · 1.9k across the 64 of their papers we have counts for
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Directly probing the chirality of Majorana edge states
Yao Lu, P. Virtanen, Tero T. Heikkilä
We propose to directly probe the chirality of Majorana edge states in 2D topological superconductors using polarization selective photon absorption. When shining circularly polariz…
Current rectification in junctions with spin-split superconductors
Stefan Ilić, P. Virtanen, T. T. Heikkilä +1
Spin-split superconductors exhibit an electron-hole asymmetric spin-resolved density of states, but the symmetry is restored upon averaging over spin. On the other hand, asymmetry…
Superconducting spintronic tunnel diode
E. Strambini, M. Spies, N. Ligato +10
Diodes are key elements for electronics, optics, and detection. The search for a material combination providing the best performances for the required application is continuously o…
Coupling the Higgs mode and ferromagnetic resonance in spin-split superconductors with Rashba spin-orbit coupling
Yao Lu, Risto Ojajärvi, P. Virtanen +2
We consider the Higgs mode at nonzero momentum in superconductors and demonstrate that in the presence of Rashba spin-orbit coupling, it couples linearly with an external exchange…
Sub- to Super-Poissonian crossover of current noise in helical edge states coupled to a spin impurity in a magnetic field
Benedikt Probst, Pauli Virtanen, Patrik Recher
Edge states of two-dimensional topological insulators are helical and single-particle backscattering is prohibited by time-reversal symmetry. In this work, we show that an isotropi…
Magnetoelectric effects in superconductors due to spin-orbit scattering: a non-linear -model description
P. Virtanen, F. S. Bergeret, I. V. Tokatly
We suggest a generalization of nonlinear -model for diffusive superconducting systems to account for magnetoelectric effects due to spin-orbit scattering. In the leading orders…