Single magnetic adsorbates on s-wave superconductors

BW Heinrich, JI Pascual, KJ Franke - Progress in Surface Science, 2018 - Elsevier
In superconductors, magnetic impurities induce a pair-breaking potential for Cooper pairs,
which locally affects the Bogoliubov quasiparticles and gives rise to Yu-Shiba-Rusinov (YSR …

Topological Shiba bands in artificial spin chains on superconductors

L Schneider, P Beck, T Posske, D Crawford, E Mascot… - Nature Physics, 2021 - nature.com
A major challenge in developing topological superconductors for implementing topological
quantum computing is their characterization and control. It has been proposed that ap-wave …

Geometry controlled superconducting diode and anomalous Josephson effect triggered by the topological phase transition in curved proximitized nanowires

AA Kopasov, AG Kutlin, AS Mel'nikov - Physical Review B, 2021 - APS
We study the key features of the Josephson transport through a curved semiconducting
nanowire. Based on numerical simulations and analytical estimates within the framework of …

[HTML][HTML] 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 …

Non-abelian braiding of dirac fermionic modes using topological corner states in higher-order topological insulator

Y Wu, H Jiang, J Liu, H Liu, XC Xie - Physical Review Letters, 2020 - APS
We numerically demonstrate that the topological corner states residing in the corners of
higher-order topological insulator possess non-Abelian braiding properties. Such …

Topological data analysis in materials science: the case of high-temperature cuprate superconductors

IY Torshin, KV Rudakov - Pattern recognition and image analysis, 2020 - Springer
Adequate formalization of problems is the most important task that has to be solved in order
to apply the modern methods of so-called “machine learning” to real problems. The effective …

Distinguishing Majorana zero modes from impurity states through time-resolved transport

R Tuovinen, E Perfetto, R van Leeuwen… - New Journal of …, 2019 - iopscience.iop.org
We study time-resolved charge transport in a superconducting nanowire using time-
dependent Landauer–Büttiker theory. We find that the steady-state Majorana zero-bias …

Double-frequency Aharonov-Bohm effect and non-Abelian braiding properties of Jackiw-Rebbi zero-mode

Y Wu, H Liu, J Liu, H Jiang, XC Xie - National science review, 2020 - academic.oup.com
Ever since its first proposal in 1976, Jackiw-Rebbi zero-mode has been drawing extensive
attention for its charming properties including charge fractionalization, topologically …

Spin chains, defects, and quantum wires for the quantum-double edge

VV Albert, D Aasen, W Xu, W Ji, J Alicea… - arXiv preprint arXiv …, 2021 - arxiv.org
Non-Abelian defects that bind Majorana or parafermion zero modes are prominent in
several topological quantum computation schemes. Underpinning their established …

Geometry-dependent effects in Majorana nanowires

AG Kutlin, AS Mel'Nikov - Physical Review B, 2020 - APS
Starting from the Bogolubov-de Gennes theory describing the induced p-wave
superconductivity in the Majorana wire of an arbitrary shape, we predict a number of …