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In this work, we explore the generalities of the supercurrent diode effect. As an illustrative example, we examine a model of a two-dimensional superconductor with Rashba-type spin-orbit coupling under an in-plane magnetic field and in the…

Superconductivity · Physics 2024-07-16 Jaglul Hasan , Daniel Shaffer , Maxim Khodas , Alex Levchenko

Chains of magnetic atoms placed on the surface of an s-wave superconductor with large spin-orbit coupling provide a promising platform for the realization of topological superconducting states characterized by the presence of Majorana…

Superconductivity · Physics 2016-01-20 Junhua Zhang , Younghyun Kim , E. Rossi , Roman M. Lutchyn

We consider a one-dimensional system combining local magnetic moments and a delocalized metallic band on top of a superconducting substrate. This system can describe a chain of magnetic impurities with both localized polarized orbitals and…

Mesoscale and Nanoscale Physics · Physics 2017-12-13 Gian Marcello Andolina , Pascal Simon

The discovery of unconventional superconductivity in the heavy-fermion material UTe$_2$ has reinvigorated research of spin-triplet superconductivity. We perform a theoretical study of coupled two-component spin-triplet superconducting order…

Superconductivity · Physics 2024-02-23 Henrik S. Røising , Max Geier , Andreas Kreisel , Brian M. Andersen

Superconducting and topological states are two quantum phenomena attracting much interest. Their coexistence may lead to topological superconductivity sought-after for Majorana-based quantum computing. However, there is no causal…

Superconductivity · Physics 2022-01-11 Xiaoming Zhang , Feng Liu

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

In this work, we show that a quasi-one-dimensional $d_{x^2-y^2}$-wave superconductor with Rashba spin-orbit coupling is a topological superconductor (TS). This time-reversal invariant DIII class TS supports two topologically protected zero…

Superconductivity · Physics 2012-01-31 L. M. Wong , K. T. Law

In the presence of both space and time reversal symmetries, an s-wave A1g superconducting state is usually topologically trivial. Here we demonstrate that an exception can take place in a type of nonsymmorphic lattice structures. We specify…

Superconductivity · Physics 2022-02-17 Shengshan Qin , Chen Fang , Fu-Chun Zhang , Jiangping Hu

The superconducting diode effect (SDE), characterized by a nonreciprocal supercurrent, has attracted significant attention in recent years due to its potential applications. However, most studies have focused on weakly correlated models,…

Superconductivity · Physics 2026-05-05 Kai Chen , Pavan Hosur

Two-dimensional (2D) superconductors, characterized by their inherent quantum confinement, strong spin-orbit coupling, and diverse forms of symmetry breaking, provide an ideal platform for exploring novel quantum transport phenomena. This…

Superconductivity · Physics 2026-03-03 Xingrong Ren , Huiqing Ye , Tian Le

We investigate theoretically a one-dimensional semiconductor-superconductor (SM-SC) heterostructure with Rashba spin-orbit coupling and parallel Zeeman field in the presence of disorder generated by random charged impurities and identify…

Mesoscale and Nanoscale Physics · Physics 2026-01-21 Binayyak B. Roy , Rimika Jaiswal , Tudor D. Stanescu , Sumanta Tewari

The review is aimed at highlighting the aspects of topological superconductivity in the absence of spin-orbit interaction in two-dimensional systems with long-range non-collinear spin ordering or magnetic skyrmions. Another purpose is to…

Superconductivity · Physics 2021-10-22 A. O. Zlotnikov , M. S. Shustin , A. D. Fedoseev

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

There have been numerous studies on topological superconductivity in magnetic atomic chains deposited on s-wave superconductors. Most of these investigations have focused on spin-orbit interactions or helical spin orders. In this paper, we…

Mesoscale and Nanoscale Physics · Physics 2024-05-24 Jinpeng Xiao , Qianglin Hu , Xiaobing Luo

Recently, much research has been dedicated to understanding topological superconductivity and Majorana zero modes induced by a magnetic field in hybrid proximity structures. This paper proposes a realization of topological superconductivity…

Mesoscale and Nanoscale Physics · Physics 2019-03-14 G. Tkachov

In this work, we review the results of several recent works on the experimental and theoretical studies of monolayer superconducting transition metal dichalcogenides (TMD) such as superconducting MoS2 and NbSe2. We show how the strong Ising…

Superconductivity · Physics 2016-05-24 Noah F. Q. Yuan , Benjamin T. Zhou , Wen-Yu He , K. T. Law

We study the superconductivity of spin-polarized electrons in centrosymmetric ferromagnetic metals. Due to the spin-polarization and the Fermi statistics of electrons, the superconducting pairing function naturally has odd parity. According…

Mesoscale and Nanoscale Physics · Physics 2020-03-18 Junyeong Ahn , Bohm-Jung Yang

In non-centrosymmetric superconductors, spin-orbit coupling can induce an unconventional superconducting state with a mixture of s-wave spin-singlet and p-wave spin-triplet channels, which leads to a variety of exotic phenomena, including…

Superconductivity · Physics 2018-10-03 Jiabin Yu , Chao-Xing Liu

Using an asymptotically exact weak coupling analysis of a multi-orbital Hubbard model of the electronic structure of \SRO, we show that the interplay between spin and charge fluctuations leads unequivocally to triplet pairing which…

Superconductivity · Physics 2010-10-19 S. Raghu , A. Kapitulnik , S. A. Kivelson

We analyze the superconducting instabilities in the vicinity of the quantum-critical point of an inversion symmetry breaking order. We first show that the fluctuations of the inversion symmetry breaking order lead to two degenerate…

Strongly Correlated Electrons · Physics 2016-04-29 Yuxuan Wang , Gil Young Cho , Taylor L. Hughes , Eduardo Fradkin