Voltage staircase in a current-biased quantum-dot Josephson junction

DO Oriekhov, Y Cheipesh, CWJ Beenakker - Physical Review B, 2021 - APS
We calculate the current-voltage (IV) characteristic of a Josephson junction containing a
resonant level in the weakly coupled regime (resonance width small compared to the …

Electromotive force in driven topological quantum circuits

A Kenawy, F Hassler, RP Riwar - Physical Review B, 2022 - APS
Time-dependent control of superconducting quantum circuits is a prerequisite for building
scalable quantum hardware. The quantum description of these circuits is complicated due to …

Enhancement of the Josephson Current in a Quantum Dot Connected to Majorana Nanowires

F Chi, QS Jia, J Liu, QG Gao, ZC Yi, LM Liu - Nanomaterials, 2023 - mdpi.com
We investigate the behavior of the Josephson current in a system composed of a quantum
dot (QD) sandwiched between two nanowires by using the nonequilibrium Green's function …

Time-dependent driving and topological protection in the fractional Josephson effect

A Kenawy, F Hassler, RP Riwar - Physical Review B, 2024 - APS
The control of any type of quantum hardware invariably necessitates time-dependent
driving. If the basis depends on the control parameter, the presence of a time-dependent …

Transport theory for topological Josephson junctions with a Majorana qubit

Z Wang, JJ Feng, Z Huang, Q Niu - Physical Review Letters, 2022 - APS
We construct a semiclassical theory for the transport of topological Josephson junctions
starting from a microscopic Hamiltonian that comprehensively includes the interplay among …

Josephson dc Current through T-Shaped Double-Quantum-Dots Hybridized to Majorana Nanowires

H Zhang, L Sun, J Liu - Coatings, 2023 - mdpi.com
We study quantum interference effects on Josephson current in T-shaped double quantum
dots (TDQDs) with one of them (the central dot) is sandwiched between the left and right …

[PDF][PDF] Enhancement of the Josephson Current in a Quantum Dot Connected to Majorana Nanowires. Nanomaterials 2023, 13, 1482

F Chi, QS Jia, J Liu, QG Gao, ZC Yi, LM Liu - 2023 - inspirehep.net
We investigate the behavior of the Josephson current in a system composed of a quantum
dot (QD) sandwiched between two nanowires by using the nonequilibrium Green's function …

Microscopic theory of the current-voltage characteristics of Josephson tunnel junctions

SJ Choi, B Trauzettel - Physical Review Letters, 2022 - APS
Deep theoretical understanding of the electrical response of Josephson junctions is
indispensable regarding both recent discoveries of new kinds of superconductivity and …

Photon-assisted average current through a quantum dot coupled to Majorana bound states

F Chi, TY He, G Zhou - Journal of Nanoelectronics and …, 2021 - ingentaconnect.com
We investigate the properties of photon-assisted current through a quantum dot (QD)
coupled to two leads and Majorana bound states (MBSs) formed at two ends of a topological …

[HTML][HTML] Parity flipping mediated by a quantum dot in Majorana Josephson junctions

S Chow, Z Wang, DX Yao - Physics Letters A, 2023 - Elsevier
The detection of the Majorana bound states (MBSs) is a central issue in the current
investigation of the topological superconductors, and the topological Josephson junction is …