Josephson phase shift and diode effect due to the inverse spin Hall effect
Mesoscale and Nanoscale Physics
2026-04-17 v1
Abstract
We theoretically study the direct and inverse spin Hall effects in a superconductor-normal metal-superconductor junction induced by a spin-orbit interaction that is invariant under spatial inversion. We show that a supercurrent induces a spin Hall effect, leading to a static spin accumulation with opposite polarizations at the two edges, analogous to that in normal conductors. For the inverse effect, we consider a spatially inhomogeneous static magnetic field and show that it induces an anomalous phase shift, which, in the presence of higher harmonics, results in a diode effect. Unlike Rashba systems, the present mechanism does not require broken structural inversion symmetry.
Cite
@article{arxiv.2604.14521,
title = {Josephson phase shift and diode effect due to the inverse spin Hall effect},
author = {Gen Tatara and Yositake Takane and Aurelien Manchon},
journal= {arXiv preprint arXiv:2604.14521},
year = {2026}
}