Gate-tunable Josephson diode

GP Mazur, N van Loo, D van Driel, JY Wang… - Physical Review …, 2024‏ - APS
Superconducting diodes are recently-discovered quantum analogues of classical diodes.
The superconducting diode effect relies on the breaking of both time-reversal and inversion …

Yu-Shiba-Rusinov states in real metals

F von Oppen, KJ Franke - Physical Review B, 2021‏ - APS
Theoretical descriptions of Yu-Shiba-Rusinov (YSR) states induced by magnetic impurities
inside the gap of a superconductor typically rely on a classical spin model or are restricted to …

Opportunities for the direct manipulation of a phase-driven Andreev spin qubit

Y Fauvel, JS Meyer, M Houzet - Physical Review B, 2024‏ - APS
In a Josephson junction, the transfer of Cooper pairs from one superconductor to the other
one can be associated with the formation of Andreev bound states. In a Josephson junction …

Supercurrent reversal in ferromagnetic hybrid nanowire Josephson junctions

D Razmadze, RS Souto, L Galletti, A Maiani, Y Liu… - Physical Review B, 2023‏ - APS
We report supercurrent transport measurements in hybrid Josephson junctions comprising
semiconducting InAs nanowires with epitaxial ferromagnetic insulator EuS and …

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 …

Anomalous Josephson current through a driven double quantum dot

C Ortega-Taberner, AP Jauho, J Paaske - Physical Review B, 2023‏ - APS
Josephson junctions based on quantum dots offer a convenient tunability by means of local
gates. Here we analyze a Josephson junction based on a serial double quantum dot in …

Hallmarks of Majorana mode leaking into a hybrid double quantum dot

P Majek, G Górski, T Domański, I Weymann - Physical Review B, 2022‏ - APS
We investigate the spectral and transport properties of a double quantum dot laterally
attached to a topological superconducting nanowire, hosting the Majorana zero-energy …

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 …

Fermion-parity qubit in a proximitized double quantum dot

M Geier, RS Souto, J Schulenborg, S Asaad… - Physical Review …, 2024‏ - APS
Bound states in quantum dots coupled to superconductors can be in a coherent
superposition of states with different electron number but with the same fermion parity …

Fully analytical equation of motion approach for the double quantum dot in the Coulomb blockade regime

N Sobrino, D Jacob, S Kurth - Physical Review B, 2024‏ - APS
A fully analytical approach based on the equation of motion technique to investigate the
spectral properties and orbital occupations in an interacting double quantum dot in …