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The superconducting diode effect (SDE)- manifested as directional, dissipationless supercurrents - is pivotal for realizing energy-efficient superconducting logic and memory technologies. Achieving high-efficiency SDE without external…

Superconducting diodes, similar to semiconductor diodes, possess unidirectional superconducting properties and are the fundamental units for constructing superconducting quantum computing, thus attracting widespread attention. At present,…

Non-reciprocity in the critical current has been observed in a variety of superconducting systems and has been called the superconducting diode effect. The origin underlying the effect depends on the symmetry breaking mechanisms at play. We…

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

Recently the superconducting diode effect (SDE) has attracted a lot of attention due to new possibilities in the field of superconducting electronics. One of the possible realizations of the SDE is the implementation in superconducting…

Superconductivity · Physics 2023-05-02 T. Karabassov , I. V. Bobkova , V. M. Silkin , B. G. Lvov , A. A. Golubov , A. S. Vasenko

A superconductor with broken time reversal and inversion symmetry may exhibit nonreciprocal charge transport, including a nonreciprocal critical current, also known as superconducting diode effect. We report an intrinsic superconducting…

Superconductivity · Physics 2023-03-30 Robert Kealhofer , Hanbyeol Jeong , Arman Rashidi , Leon Balents , Susanne Stemmer

The superconducting diode effect (SDE)-the unidirectional, dissipationless flow of supercurrent-is a critical element for future superconducting electronics. Achieving high efficiency under zero magnetic field is a key requirement. The…

The recent demonstration of the superconducting diode effect (SDE) has generated renewed interests in superconducting electronics in which devices such as compact superconducting diodes that can perform signal rectification where low-energy…

Superconductivity · Physics 2025-05-29 H. C. Travaglini , J. J. Cuozzo , K. R. Sapkota , I. A. Leahy , A. D. Rice , K. Alberi , W. Pan

The superconducting diode effect (SDE) refers to the non-reciprocal nature of the critical current (maximum current that a superconductor can withstand before turning into a normal metal) of a superconducting device. Here, we investigate…

Superconductivity · Physics 2025-06-24 Sayak Bhowmik , Dibyendu Samanta , Ashis K. Nandy , Arijit Saha , Sudeep Kumar Ghosh

The superconducting diode effect (SDE) is characterized by its nonreciprocal nature in critical supercurrents. However, realizing a longitudinal SDE typically requires simultaneous time-reversal ($\mathcal{T}$) and inversion ($\mathcal{P}$)…

Superconductivity · Physics 2026-01-13 Ruo-Peng Yu , Jin-Xin Hu , Zi-Ting Sun

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

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) 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

Currently, the superconducting diode effect (SDE) is actively discussed due to large application potential in superconducting electronics. In particular, the superconducting hybrid structures based on three-dimensional (3D) topological…

The superconducting diode effect (SDE) refers to the nonreciprocity of superconducting critical currents for the metal-superconductor transition. Generally, the SDE has a positive and a negative critical current $j_{c\pm}$ corresponding to…

Superconductivity · Physics 2025-01-03 Yu-Chen Zhuang , Qing-Feng Sun

When both inversion and time-reversal symmetries are broken, the critical current of a superconductor can be nonreciprocal. In this work we show that in certain classes of two-dimensional superconductors with antisymmetric spin-orbit…

Superconductivity · Physics 2022-05-11 Noah F. Q. Yuan , Liang Fu

We demonstrate nonreciprocal critical current in 65 nm thick polycrystalline and epitaxial Nb thin films patterned into tracks. The nonreciprocal behavior gives a supercurrent diode effect, where the current passed in one direction is a…

Superconductivity · Physics 2023-06-01 N. Satchell , P. M. Shepley , M. C. Rosamond , G. Burnell

We propose the superconducting diode effect (SDE) in a planar s-wave/d-wave/s-wave Josephson junction as a direct phase-sensitive probe of the d-wave pairing function in high-Tc superconductors. Asymmetric interface coupling breaks…

Superconductivity · Physics 2025-12-03 Guo-Liang Guo , Xin Liu

We identify a new mechanism for the intrinsic superconducting diode effect (SDE) in multiphase superconductors. Using a Ginzburg-Landau and a microscopic two-band model, we find phase transitions into a mixed phase with finite-momentum…

Superconductivity · Physics 2024-11-19 Daniel Shaffer , Dmitry V. Chichinadze , Alex Levchenko

Nonreciprocal electrical transport, characterized by an asymmetric relationship between current and voltage, plays a crucial role in modern electronic industries. Recent studies have extended this phenomenon to superconductors, introducing…