Tunable superconducting coupling of quantum dots via Andreev bound states in semiconductor-superconductor nanowires

CX Liu, G Wang, T Dvir, M Wimmer - Physical review letters, 2022 - APS
Semiconductor quantum dots have proven to be a useful platform for quantum simulation in
the solid state. However, implementing a superconducting coupling between quantum dots …

Spin cross-correlation experiments in an electron entangler

A Bordoloi, V Zannier, L Sorba, C Schönenberger… - Nature, 2022 - nature.com
Correlations are fundamental in describing many-body systems. However, in experiments,
correlations are notoriously difficult to assess on a microscopic scale, especially for electron …

Perfect crossed Andreev reflection in the proximitized graphene/superconductor/proximitized graphene junctions

SC Zhao, L Gao, Q Cheng, QF Sun - Physical Review B, 2023 - APS
We study the crossed Andreev reflection and the nonlocal transport in the proximitized
graphene/superconductor/proximitized graphene junctions with the pseudospin staggered …

Tunneling spectroscopy of few-monolayer in high magnetic fields: Triplet superconductivity and Ising protection

M Kuzmanović, T Dvir, D LeBoeuf, S Ilić, M Haim… - Physical Review B, 2022 - APS
In conventional Bardeen-Cooper-Schrieffer superconductors, Cooper pairs of electrons of
opposite spin (ie, singlet structure) form the ground state. Equal-spin triplet pairs (ESTPs), as …

Electrically controlled crossed Andreev reflection in two-dimensional antiferromagnets

MF Jakobsen, A Brataas, A Qaiumzadeh - Physical Review Letters, 2021 - APS
We report generic and tunable crossed Andreev reflection (CAR) in a superconductor
sandwiched between two antiferromagnetic layers. We consider recent examples of two …

Parallel InAs nanowires for Cooper pair splitters with Coulomb repulsion

O Kürtössy, Z Scherübl, G Fülöp, IE Lukács… - npj Quantum …, 2022 - nature.com
Hybrid nanostructures consisting of two parallel InAs nanowires connected by an epitaxially
grown superconductor (SC) shell recently became available. Due to the defect-free SC …

Proposal for detecting the -shifted Cooper quartet supercurrent

R Mélin, R Danneau, CB Winkelmann - Physical Review Research, 2023 - APS
The multiterminal Josephson effect aroused considerable interest recently, in connection
with theoretical and experimental evidence for correlations among Cooper pairs, that is, the …

Real-time observation of Cooper pair splitting showing strong non-local correlations

A Ranni, F Brange, ET Mannila, C Flindt… - Nature …, 2021 - nature.com
Controlled generation and detection of quantum entanglement between spatially separated
particles constitute an essential prerequisite both for testing the foundations of quantum …

Multiterminal ballistic Josephson junctions coupled to normal leads

R Mélin - Physical Review B, 2022 - APS
Multiterminal Josephson junctions have aroused considerable theoretical interest recently
and numerous works aim at putting the predictions of correlations among Coopers (ie, the so …

Enhanced Andreev reflection in Kekulé-Y patterned graphene

W Zeng, R Shen - Physical Review B, 2021 - APS
We theoretically investigate the electron-hole conversions in normal metal-superconductor
junctions based on the Kekulé-Y (Kek-Y) patterned graphene. It is shown that, in contrast to …