Proximity coupling in superconductor-graphene heterostructures

GH Lee, HJ Lee - Reports on Progress in Physics, 2018 - iopscience.iop.org
This review discusses the electronic properties and the prospective research directions of
superconductor-graphene heterostructures. The basic electronic properties of graphene are …

One-dimensional proximity superconductivity in the quantum Hall regime

J Barrier, M Kim, RK Kumar, N **n, P Kumaravadivel… - Nature, 2024 - nature.com
Extensive efforts have been undertaken to combine superconductivity and the quantum Hall
effect so that Cooper-pair transport between superconducting electrodes in Josephson …

Inducing superconducting correlation in quantum Hall edge states

GH Lee, KF Huang, DK Efetov, DS Wei, S Hart… - Nature Physics, 2017 - nature.com
The quantum Hall (QH) effect supports a set of chiral edge states at the boundary of a two-
dimensional system. A superconductor (SC) contacting these states can provide correlations …

Induced superconducting pairing in integer quantum Hall edge states

M Hatefipour, JJ Cuozzo, J Kanter, WM Strickland… - Nano Letters, 2022 - ACS Publications
Indium arsenide (InAs) near surface quantum wells (QWs) are promising for the fabrication
of semiconductor–superconductor heterostructures given that they allow for a strong …

Interference of chiral Andreev edge states

L Zhao, EG Arnault, A Bondarev, A Seredinski… - Nature Physics, 2020 - nature.com
The search for topological excitations such as Majorana fermions has spurred interest in the
boundaries between distinct quantum states. Here, we explore an interface between two …

Induced superconducting correlations in a quantum anomalous Hall insulator

A Uday, G Lippertz, K Moors, HF Legg, R Joris… - Nature Physics, 2024 - nature.com
Thin films of ferromagnetic topological insulator materials can host the quantum anomalous
Hall effect without the need for an external magnetic field. Inducing Cooper pairing in such a …

Quantum Hall effect in graphene with superconducting electrodes

P Rickhaus, M Weiss, L Marot, C Schönenberger - Nano letters, 2012 - ACS Publications
We have realized an integer quantum Hall system with superconducting contacts by
connecting graphene to niobium electrodes. Below their upper critical field of 4 T, an integer …

Crossed Andreev reflection in spin-polarized chiral edge states due to the Meissner effect

TH Galambos, F Ronetti, B Hetényi, D Loss, J Klinovaja - Physical Review B, 2022 - APS
We consider a hybrid quantum Hall-superconductor system, where a superconducting finger
with oblique profile is wedged into a two-dimensional electron gas in the presence of a …

Supercurrent-enabled Andreev reflection in a chiral quantum Hall edge state

AB Michelsen, P Recher, B Braunecker… - Physical Review …, 2023 - APS
A chiral quantum Hall (QH) edge state placed in proximity to an s-wave superconductor
experiences induced superconducting correlations. Recent experiments have observed the …

Complex band-structure analysis and topological physics of Majorana nanowires

J Osca, L Serra - The European Physical Journal B, 2019 - Springer
We review applications of complex band structure theory to describe Majorana states in
nanowires and nanowire junctions. The dimensionality of the considered wires is gradually …