Aspects of topological superconductivity in 2D systems: noncollinear magnetism, skyrmions, and higher-order topology

AO Zlotnikov, MS Shustin, AD Fedoseev - Journal of Superconductivity …, 2021 - Springer
The review is aimed at highlighting the aspects of topological superconductivity in the
absence of spin–orbit interaction in two-dimensional systems with long-range noncollinear …

Majorana Kramers pairs in higher-order topological insulators

CH Hsu, P Stano, J Klinovaja, D Loss - Physical review letters, 2018 - APS
We propose a tune-free scheme to realize Kramers pairs of Majorana bound states in
recently discovered higher-order topological insulators (HOTIs). We show that, by bringing …

Steering Majorana braiding via skyrmion-vortex pairs: A scalable platform

J Nothhelfer, SA Díaz, S Kessler, T Meng, M Rizzi… - Physical Review B, 2022 - APS
Majorana zero modes are quasiparticles that hold promise as building blocks for topological
quantum computing. However, the litmus test for their detection, the observation of exotic …

Composite topological excitations in ferromagnet-superconductor heterostructures

KMD Hals, M Schecter, MS Rudner - Physical Review Letters, 2016 - APS
We investigate the formation of a new type of composite topological excitation—the
Skyrmion-vortex pair (SVP)—in hybrid systems consisting of coupled ferromagnetic and …

Currents induced by magnetic impurities in superconductors with spin-orbit coupling

SS Pershoguba, K Björnson, AM Black-Schaffer… - Physical review …, 2015 - APS
We show that superconducting currents are generated around magnetic impurities and
ferromagnetic islands proximity coupled to superconductors with finite spin-orbit coupling …

Majorana Kramers pairs in Rashba double nanowires with interactions and disorder

M Thakurathi, P Simon, I Mandal, J Klinovaja, D Loss - Physical Review B, 2018 - APS
We analyze the effects of electron-electron interactions and disorder on a Rashba double-
nanowire setup coupled to an s-wave superconductor, which has been recently proposed as …

Pinning of Andreev bound states to zero energy in two-dimensional superconductor-semiconductor Rashba heterostructures

O Dmytruk, D Loss, J Klinovaja - Physical Review B, 2020 - APS
We consider a two-dimensional electron gas (2DEG) with Rashba spin-orbit interaction
(SOI) partially covered by an s-wave superconductor, where the uncovered region remains …

Universal spin superconducting diode effect from spin-orbit coupling

Y Mao, Q Yan, YC Zhuang, QF Sun - Physical Review Letters, 2024 - APS
We propose a universal spin superconducting diode effect (SDE) induced by spin-orbit
coupling (SOC) in systems with spin-triplet correlations, where the critical spin supercurrents …

Suppression of the overlap between Majorana fermions by orbital magnetic effects in semiconducting-superconducting nanowires

O Dmytruk, J Klinovaja - Physical Review B, 2018 - APS
We study both analytically and numerically the role of orbital effects caused by a magnetic
field applied along the axis of a semiconducting Rashba nanowire in the topological regime …