Time-reversal-invariant topological superconductivity in one and two dimensions

A Haim, Y Oreg - Physics Reports, 2019 - Elsevier
A topological superconductor is characterized by having a pairing gap in the bulk and
gapless self-hermitian Majorana modes at its boundary. In one dimension, these are zero …

A brief review on one-dimensional topological insulators and superconductors

HM Guo - Science China Physics, Mechanics & Astronomy, 2016 - Springer
Recently one-dimensional topological phases are gaining increasing attentions. Like two-
and three-dimensional ones, Onedimensional systems are important in a complete …

Majorana fermions in chiral topological ferromagnetic nanowires

E Dumitrescu, B Roberts, S Tewari, JD Sau… - Physical Review B, 2015 - APS
Motivated by a recent experiment in which zero-bias peaks have been observed in scanning
tunneling microscopy (STM) experiments performed on chains of magnetic atoms on a …

Non-Abelian Bloch oscillations in higher-order topological insulators

M Di Liberto, N Goldman, G Palumbo - Nature communications, 2020 - nature.com
Bloch oscillations (BOs) are a fundamental phenomenon by which a wave packet
undergoes a periodic motion in a lattice when subjected to a force. Observed in a wide …

Majorana fermions in ferromagnetic chains on the surface of bulk spin-orbit coupled s-wave superconductors

HY Hui, PMR Brydon, JD Sau, S Tewari, SD Sarma - Scientific reports, 2015 - nature.com
Majorana fermion (MF) excitations in solid state system have non-Abelian statistics which is
essential for topological quantum computation. Previous proposals to realize MF, however …

Josephson junctions of two-dimensional time-reversal invariant superconductors: Signatures of the topological phase

GFR Ruiz, MA Rampp, AA Aligia, J Schmalian… - Physical Review B, 2022 - APS
We determine the current-phase relation (CPR) of two-terminal configurations of Josephson
junctions containing two-dimensional (2D) time-reversal invariant topological …

Synthetic Weyl points and chiral anomaly in Majorana devices with nonstandard Andreev-bound-state spectra

P Kotetes, MT Mercaldo, M Cuoco - Physical review letters, 2019 - APS
We demonstrate how to design various nonstandard types of Andreev-bound-state (ABS)
dispersions, via a composite construction relying on Majorana bound states (MBSs). Here …

Magnetic field response and chiral symmetry of time-reversal-invariant topological superconductors

E Dumitrescu, JD Sau, S Tewari - Physical Review B, 2014 - APS
We study the magnetic field response of Majorana-Kramers pairs of one-dimensional time-
reversal (TR)-invariant topological superconductors (class DIII) with or without a coexisting …

Topological phases of strongly interacting time-reversal invariant topological superconducting chains under a magnetic field

LM Chinellato, CJ Gazza, AM Lobos, AA Aligia - Physical Review B, 2024 - APS
Using the density-matrix renormalization group, we determine the different topological
phases and low-energy excitations of a time-reversal invariant topological superconducting …

Fractional spin and Josephson effect in time-reversal-invariant topological superconductors

A Camjayi, L Arrachea, A Aligia, F Von Oppen - Physical review letters, 2017 - APS
Time-reversal-invariant topological superconducting (TRITOPS) wires are known to host a
fractional spin ℏ/4 at their ends. We investigate how this fractional spin affects the …