From Andreev to Majorana bound states in hybrid superconductor–semiconductor nanowires

E Prada, P San-Jose, MWA de Moor, A Geresdi… - Nature Reviews …, 2020 - nature.com
Inhomogeneous superconductors can host electronic excitations, known as Andreev bound
states (ABSs), below the superconducting energy gap. With the advent of topological …

Superconducting diode effect due to magnetochiral anisotropy in topological insulators and Rashba nanowires

HF Legg, D Loss, J Klinovaja - Physical Review B, 2022 - APS
The critical current of a superconductor can depend on the direction of current flow due to
magnetochiral anisotropy when both inversion and time-reversal symmetry are broken, an …

Topological superconductivity and Majorana states in low-dimensional systems

VV Val'kov, MS Shustin, SV Aksenov… - Physics …, 2022 - iopscience.iop.org
We discuss the properties of topologically nontrivial superconducting phases and the
conditions for their realization in condensed matter, the criteria for the appearance of …

Zero-energy Andreev bound states from quantum dots in proximitized Rashba nanowires

C Reeg, O Dmytruk, D Chevallier, D Loss, J Klinovaja - Physical Review B, 2018 - APS
We study an analytical model of a Rashba nanowire that is partially covered by and coupled
to a thin superconducting layer, where the uncovered region of the nanowire forms a …

Second-Order Topological Superconductivity in -Junction Rashba Layers

Y Volpez, D Loss, J Klinovaja - Physical review letters, 2019 - APS
We consider a Josephson junction bilayer consisting of two tunnel-coupled two-dimensional
electron gas layers with Rashba spin-orbit interaction, proximitized by a top and bottom s …

Effects of gate-induced electric fields on semiconductor Majorana nanowires

AE Antipov, A Bargerbos, GW Winkler, B Bauer… - Physical Review X, 2018 - APS
We study the effect of gate-induced electric fields on the properties of semiconductor-
superconductor hybrid nanowires which represent a promising platform for realizing …

Supercurrent detection of topologically trivial zero-energy states in nanowire junctions

OA Awoga, J Cayao, AM Black-Schaffer - Physical Review Letters, 2019 - APS
We report the emergence of zero-energy states in the trivial phase of a short nanowire
junction with a strong spin-orbit coupling and magnetic field, formed by strong coupling …

Hybridization at superconductor-semiconductor interfaces

AEG Mikkelsen, P Kotetes, P Krogstrup, K Flensberg - Physical Review X, 2018 - APS
Hybrid superconductor-semiconductor devices are currently one of the most promising
platforms for realizing Majorana zero modes. Their topological properties are controlled by …

Majorana bound states in semiconducting nanostructures

K Laubscher, J Klinovaja - Journal of Applied Physics, 2021 - pubs.aip.org
In this Tutorial, we give a pedagogical introduction to Majorana bound states (MBSs) arising
in semiconducting nanostructures. We start by briefly reviewing the well-known Kitaev chain …

Unified numerical approach to topological semiconductor-superconductor heterostructures

GW Winkler, AE Antipov, B Van Heck, AA Soluyanov… - Physical Review B, 2019 - APS
We develop a unified numerical approach for modeling semiconductor-superconductor
heterostructures. All the key physical ingredients of these systems—orbital effect of magnetic …