The Anderson–Josephson quantum dot—a theory perspective

V Meden - Journal of Physics: Condensed Matter, 2019 - iopscience.iop.org
Recent progress in nanoscale manufacturing has allowed to experimentally investigate
quantum dots coupled to two superconducting leads in controlled and tunable setups. The …

Anomalous Josephson effect induced by spin-orbit interaction and Zeeman effect in semiconductor nanowires

T Yokoyama, M Eto, YV Nazarov - Physical Review B, 2014 - APS
We investigate theoretically the Josephson junction of semiconductor nanowire with strong
spin-orbit (SO) interaction in the presence of magnetic field. By using a tight-binding model …

Supercurrent detection of topologically trivial zero-energy states in nanowire junctions

OA Awoga, J Cayao, AM Black-Schaffer - Physical Review Letters, 2019 - APS
We report the emergence of zero-energy states in the trivial phase of a short nanowire
junction with a strong spin-orbit coupling and magnetic field, formed by strong coupling …

Anomalous Josephson current, incipient time-reversal symmetry breaking, and Majorana bound states in interacting multilevel dots

A Brunetti, A Zazunov, A Kundu, R Egger - Physical Review B—Condensed …, 2013 - APS
We study the combined effects of spin-orbit interaction, magnetic field, and Coulomb
charging on the Josephson current-phase relation, I (φ), for a multilevel quantum dot tunnel …

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 …

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 …

0- quantum transition in a carbon nanotube Josephson junction: Universal phase dependence and orbital degeneracy

R Delagrange, R Weil, A Kasumov, M Ferrier… - Physical Review B, 2016 - APS
In a π-Josephson junction, the supercurrent's sign is reversed due to the dephasing of
superconducting pairs upon their traversal of the nonsuperconducting part. 0-π quantum …

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 …

Josephson current through semiconductor nanowire with spin–orbit interaction in magnetic field

T Yokoyama, M Eto, Y V. Nazarov - Journal of the Physical Society of …, 2013 - journals.jps.jp
We theoretically study the DC Josephson effect of a semiconductor nanowire (NW) with a
strong spin–orbit interaction when a magnetic field is applied parallel to the NW. We adopt a …