Andreev molecule in parallel InAs nanowires

O Kurtossy, Z Scherübl, G Fulop, IE Lukács… - Nano Letters, 2021 - ACS Publications
Coupling individual atoms fundamentally changes the state of matter: electrons bound to
atomic cores become delocalized turning an insulating state to a metallic one. A chain of …

Coupled superconducting spin qubits with spin-orbit interaction

M Spethmann, XP Zhang, J Klinovaja, D Loss - Physical Review B, 2022 - APS
Superconducting spin qubits, also known as Andreev spin qubits, promise to combine the
benefits of superconducting qubits and spin qubits defined in quantum dots. While most …

Generalized atomic limit of a double quantum dot coupled to superconducting leads

M Žonda, P Zalom, T Novotný, G Loukeris, J Bätge… - Physical Review B, 2023 - APS
We present an exactly solvable effective model of a double quantum dot coupled to
superconducting leads. This model is a generalization of the well-known superconducting …

Violation of the Wiedemann-Franz law in the topological Kondo model

F Buccheri, A Nava, R Egger, P Sodano, D Giuliano - Physical Review B, 2022 - APS
We study the thermal transport through a Majorana island connected to multiple external
quantum wires. In the presence of a large charging energy, we find that the Wiedemann …

Josephson current via spin and orbital states of a tunable double quantum dot

R Debbarma, M Aspegren, FV Boström, S Lehmann… - Physical Review B, 2022 - APS
Supercurrent transport is experimentally studied in a Josephson junction hosting a double
quantum dot (DQD) with tunable symmetries. The QDs are parallel coupled to two …

Josephson Junction Transition Induced by Orbital Hybridization in a Double Quantum Dot

R Debbarma, A Tsintzis, M Aspegren, RS Souto… - Physical Review Letters, 2023 - APS
In this Letter, we manipulate the phase shift of a Josephson junction using a parallel double
quantum dot (QD). By employing a superconducting quantum interference device, we …

Electronic transport in double-nanowire superconducting islands with multiple terminals

A Vekris, JC Estrada Saldaña, T Kanne… - Nano Letters, 2022 - ACS Publications
We characterize in situ grown parallel nanowires bridged by a superconducting island. The
magnetic-field and temperature dependence of Coulomb blockade peaks measured across …

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 …

Asymmetric Little–Parks oscillations in full shell double nanowires

A Vekris, JC Estrada Saldaña, J de Bruijckere… - Scientific Reports, 2021 - nature.com
Little–Parks oscillations of a hollow superconducting cylinder are of interest for flux-driven
topological superconductivity in single Rashba nanowires. The oscillations are typically …

Multiterminal transport spectroscopy of subgap states in Coulomb-blockaded superconductors

RS Souto, MM Wauters, K Flensberg, M Leijnse… - Physical Review B, 2022 - APS
Subgap states are responsible for the low-bias transport features of hybrid superconducting-
semiconducting devices. Here we analyze the local and nonlocal differential conductance of …