Altermagnetic superconducting diode effect

S Banerjee, MS Scheurer - Physical Review B, 2024 - APS
Nonreciprocal superconductivity, also known as the superconducting diode effect, has been
extensively studied in the presence of a magnetic field or some form of ferromagnetic order …

Supercurrent rectification with time-reversal symmetry broken multiband superconductors

Y Yerin, SL Drechsler, AA Varlamov, M Cuoco… - Physical Review B, 2024 - APS
We consider nonreciprocal supercurrent effects in Josephson junctions based on multiband
superconductors with a pairing structure that can break time-reversal symmetry. We …

Perfect superconducting diode effect in altermagnets

D Chakraborty, AM Black-Schaffer - arxiv preprint arxiv:2408.07747, 2024 - arxiv.org
We investigate intrinsic superconducting diode effect in the unconventional superconducting
state of $ d $-wave altermagnets. We find large diode efficiencies in the wide-reaching finite …

Superconducting diode effect in quantum spin Hall insulator based Josephson junctions

B Scharf, D Kochan, A Matos-Abiague - Physical Review B, 2024 - APS
The superconducting diode effect (SDE) is a magnetoelectric phenomenon where an
external magnetic field imparts a nonzero center-of-mass momentum to Cooper pairs, either …

Superconducting diode effect in diffusive superconductors and Josephson junctions with Rashba spin-orbit coupling

S Ilić, P Virtanen, D Crawford, TT Heikkilä, FS Bergeret - Physical Review B, 2024 - APS
We characterize the superconducting diode effect (SDE) in two-dimensional diffusive
structures with Rashba spin-orbit coupling using the quasiclassical formalism. We consider …

Quasiparticles-mediated thermal diode effect in Weyl Josephson junctions

P Chatterjee, P Dutta - New Journal of Physics, 2024 - iopscience.iop.org
We theoretically show quasiparticles-driven thermal diode effect (TDE) in an inversion
symmetry-broken Weyl superconductor (WSC)-Weyl semimetal (WSM)-WSC Josephson …

Josephson diode effect in one-dimensional quantum wires connected to superconductors with mixed singlet-triplet pairing

A Soori - Journal of Physics: Condensed Matter, 2025 - iopscience.iop.org
The Josephson diode effect (JDE), characterized by asymmetric critical currents in a
Josephson junction, has drawn considerable attention in the field of condensed matter …

Digital logic from high-efficiency superconducting diodes

P Hosur - arxiv preprint arxiv:2410.23352, 2024 - arxiv.org
Recent advancements in the realizations of superconducting diodes have pushed the diode
coefficient $\eta $ towards its theoretical maximum of $\eta= 1$. In this work, we describe the …

Influence of capacitance and thermal fluctuations on the Josephson diode effect in asymmetric higher-harmonic SQUIDs

GS Seleznev, YV Fominov - Physical Review B, 2024 - APS
Asymmetric two-junction SQUIDs with different current-phase relations in the two Josephson
junctions, involving higher Josephson harmonics, demonstrate a flux-tunable Josephson …

Field-free Josephson diode effect in a -wave superconductor heterostructure

H Vakili, M Ali, AA Kovalev - Physical Review B, 2024 - APS
We study the superconductor/normal region/superconductor (S| N| S) Josephson junction
formed using superconductors with d, d+ id′, and d+ is superconducting pairings. We show …