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The superconducting diode effect (SDE) enables nonreciprocal dissipationless transport when inversion and time-reversal symmetries are simultaneously broken. Rashba nanowires proximitized by conventional s-wave superconductors provide a…

Superconductivity · Physics 2026-03-03 Sagar Santra , Dibyendu Samanta , Sudeep Kumar Ghosh

The superconducting diode effect (SDE), characterized by a nonreciprocal critical current in superconductors, has recently been observed in strongly correlated electron systems and near quantum criticality, pointing to unconventional…

Superconductivity · Physics 2026-05-04 Kyohei Nakamura , Youichi Yanase

The superconducting diode effect (SDE) -- the nonreciprocity of the critical current in a bulk superconductor -- has garnered significant attention due to its potential applications in superconducting electronics. However, the role of…

Superconductivity · Physics 2025-05-13 Jaglul Hasan , Daniel Shaffer , Maxim Khodas , Alex Levchenko

The critical current of a superconductor can depend on the direction of current flow due to magnetochiral anisotropy when both inversion and time-reversal symmetry are broken, an effect known as the superconducting (SC) diode effect. Here,…

Mesoscale and Nanoscale Physics · Physics 2022-09-21 Henry F. Legg , Daniel Loss , Jelena Klinovaja

We study the superconducting diode effect (SDE) in an Ising superconductor with broken basal mirror symmetry in a parallel magnetic field. We show that in the presence of a small Rashba spin splitting, $\Delta_R$, the dominant Ising…

Superconductivity · Physics 2025-05-14 Itai Bankier , Lotan Attias , Alex Levchenko , Maxim Khodas

We propose a theoretical framework in which a one-dimensional (1D) tight-binding model incorporating unconventional magnetic order together with Rashba and Ising spin-orbit couplings are considered to realize two key phenomena in condensed…

Mesoscale and Nanoscale Physics · Physics 2026-05-15 Amartya Pal , Debashish Mondal , Tanay Nag , Arijit Saha

The superconducting diode effect (SDE) refers to non-reciprocal transport, where current flows without resistance in one direction but becomes resistive in the opposite direction, but its typical reliance on magnetic field hinders…

Superconductivity · Physics 2025-08-15 Sayak Bhowmik , Dibyendu Samanta , Ashis K. Nandy , Arijit Saha , Sudeep Kumar Ghosh

We characterize the superconducting diode effect (SDE) in two-dimensional diffusive structures with Rashba spin-orbit coupling using the quasiclassical formalism. We consider both homogeneous superconductors and Josephson junctions. In the…

Superconductivity · Physics 2024-11-04 Stefan Ilic , Pauli Virtanen , Daniel Crawford , Tero T. Heikkilä , F. Sebastian Bergeret

We investigate the emergence of nonreciprocal dissipationless supercurrents in one-dimension manifested through the superconducting diode effect (SDE) and the Josephson diode effect (JDE) in the absence of any external magnetic field, where…

Mesoscale and Nanoscale Physics · Physics 2025-12-02 SVS Sai Ruthvik , Tanay Nag

The superconducting diode effect (SDE), characterized by a directional asymmetry in the critical supercurrents, typically requires external magnetic fields to break time-reversal symmetry -- posing challenges for scalability and device…

Superconductivity · Physics 2025-11-25 Dibyendu Samanta , Sudeep Kumar Ghosh

Semiconductor Rashba nanowires are quasi-one dimensional systems that have large spin-orbit (SO) coupling arising from a broken inversion symmetry due to an external electric field. There exist parametrized multiband models that can…

Mesoscale and Nanoscale Physics · Physics 2020-08-25 Samuel D. Escribano , Alfredo Levy Yeyati , Elsa Prada

The superconducting diode effect (SDE) is a key nonreciprocal phenomenon with broad relevance for superconducting electronics. Using time-dependent Ginzburg-Landau simulations, we predict and quantify a superconducting diode effect arising…

Superconductivity · Physics 2025-12-18 Axel J. M. Deenen , Dirk Grundler

Nonreciprocity in superconductors is attracting much interest owing to its fundamental importance as well as its potential applicability to engineering. In this paper, we generalize the previous theories of the intrinsic superconducting…

Superconductivity · Physics 2022-12-20 Akito Daido , Youichi Yanase

We theoretically investigate the magnetic and crystalline anisotropies of the superconducting diode effect (SDE) in proximitized planar Josephson junctions (JJs) with coexisting Rashba and Dresselhaus spin-orbit couplings (SOCs) under an…

Nonreciprocal transport phenomena have attracted much attention in modern condensed matter physics. In the field of superconductivity, the superconducting diode effect (SDE) has been one of the central topics. Recent theoretical studies for…

Superconductivity · Physics 2022-12-20 Yuhei Ikeda , Akito Daido , Youichi Yanase

In noncentrosymmetric superconductors, superconducting and normal conductions can interchange based on the current flow direction. This effect is termed a superconducting diode effect (SDE), which is a focal point of recent research. The…

Superconducting diode effects (SDE), both in bulk superconductors and in Josephson junctions, have garnered a lot of attention due to potential applications in classical and quantum computing, as well as superconducting sensors. Here we…

Superconductivity · Physics 2025-10-31 Daniel Shaffer , Alex Levchenko

Superconducting diode effects (SDEs) generally emerge in superconducting systems where both time-reversal and inversion symmetries are broken, showing nonreciprocal current characteristics: nondissipative in one direction and ohmic in the…

Superconductivity · Physics 2025-02-19 Jiajun Ma , Ruiya Zhan , Xiao Lin

Non-reciprocal electronic transport in a material occurs if both time reversal and inversion symmetries are broken. The superconducting diode effect (SDE) is an exotic manifestation of this type of behavior where the critical current for…

Superconductivity · Physics 2023-10-19 M. S. Anwar , T. Nakamura , R. Ishiguro , S. Arif , J. W. A. Robinson , S. Yonezawa , M. Sigrist , Y. Maeno

Much ink has recently been spilled on nonreciprocal phenomena in superconductors, especially the superconducting diode effect (SDE) characterized by the nonreciprocity of the critical current $\Delta J_c$. Contrary to the fundamental and…

Superconductivity · Physics 2024-03-12 Kyohei Nakamura , Akito Daido , Youichi Yanase
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