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The superconducting diode effect (SDE), combining superconductivity with diode-like nonreciprocal current flow, recently emerges as an ideal candidate for zero-dissipation electronic circuits. Such technologically advantageous diodes are…

Superconductivity · Physics 2025-09-03 Zherui Yang , Shengyao Li , Shaoqin Peng , Xueyan Wang , Liang Wu , Ri He , Zhen Wang , Yanwei Cao , Xiao Renshaw Wang

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 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,…

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 analyze the presence of non-reciprocal critical currents, the so-called superconducting diode effect, in chiral superconductors within a generalized Ginzburg-Landau framework. After deriving its key symmetry conditions we illustrate the…

Superconductivity · Physics 2022-12-13 Bastian Zinkl , Keita Hamamoto , Manfred Sigrist

The superconducting diode effect (SDE) enables nonreciprocal supercurrent flow, holding immense potential for ultra-low-power quantum electronics. Intrinsic SDE typically requires materials with inherent symmetry breakings. Here, we report…

We theoretically propose a universal superconducting diode device based on double magnetic impurities which are coupled to the connection region of the Josephson junction. The positive and negative currents flowing across the junction can…

Superconductivity · Physics 2025-09-05 Yu-Fei Sun , Yue Mao , Qing-Feng Sun

The interplay between magnetism and superconductivity can lead to unconventional proximity and Josephson effects. A related phenomenon that has recently attracted considerable attention is the superconducting diode effect, in which a…

Symmetry elegantly governs the fundamental properties and derived functionalities of condensed matter. For instance, realizing the superconducting diode effect (SDE) demands breaking space-inversion and time-reversal symmetries…

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

Supercurrent diodes are nonreciprocal electronic elements whose switching current depends on their flow direction. Recently, a variety of composite systems combining different materials and engineered asymmetric superconducting devices have…

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), where zero-resistance states appear nonreciprocally during current injection, is receiving tremendous interest in both fundamental and applied physics because the SDE is a novel manifestation of…

We propose a response tensor $\mathbf{\hat \chi}$ to characterize the non-reciprocal critical current response of the superconducting (Josephson) diode effect. It describes the coupling between the dipole component of the angular…

Superconductivity · Physics 2026-05-07 Qiong Qin , Jie Wu , Congjun Wu

A supercurrent is well recognized as being of prime importance within mean-field theory, but remains largely unexplored in strongly correlated electron systems (SCES) and the quantum critical region. To clarify the impact of the…

Superconductivity · Physics 2026-01-13 Kyohei Nakamura , Youichi Yanase

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

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

Non-reciprocal 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 breaking time-reversal symmetry. We here show that…

Superconductivity · Physics 2024-07-31 Sayan Banerjee , Mathias S. Scheurer

Nonreciprocal superconductivity, also called as superconducting diode effect that spontaneously breaks time-reversal symmetry, is characterized by asymmetric critical currents under opposite applied current directions. This distinct state…

The superconducting diode effect -- the dependence of critical current on its direction -- can arise from the simultaneous breaking of inversion and time-reversal symmetry in a superconductor and has gained interest for its potential…

Superconductivity · Physics 2024-07-18 Haixuan Huang , Tatiana de Picoli , Jukka I. Väyrynen