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We show how in principle a coherent coupling between two superconductors of opposite parity can be realized in a three-layer oxide heterostructure. Due to strong intraionic spin-orbit coupling in the middle layer, singlet Cooper pairs are…

Superconductivity · Physics 2016-06-15 Mats Horsdal , Giniyat Khaliullin , Timo Hyart , Bernd Rosenow

We investigate the proximity effect in diffusive superconducting hybrid structures with a spin-orbit (SO) coupling. Our study is focused on the singlet-triplet conversion and the generation of long-range superconducting correlations in…

Superconductivity · Physics 2015-06-18 F. S. Bergeret , I. V. Tokatly

We investigate the proximity effect in an s-wave superconductor/ferromagnetic metal with a Rashba spin-orbit coupling/diffusive normal metal junction and an s-wave superconductor/noncollinear magnetic metal/diffusive normal metal junction.…

Superconductivity · Physics 2024-05-21 Shun Tamura , Yukio Tanaka , Takehito Yokoyama

A ferromagnetic insulator (FI) in contact with a superconductor (S) is known to induce a spin splitting of the BCS density of states at the FI/S interface. This spin splitting causes the Cooper pairs to reduce their singlet-state…

Superconductivity · Physics 2022-05-10 Alberto Hijano , Vitaly N. Golovach , F. Sebastián Bergeret

Applying the linearized Usadel equations, we consider the nucleation of superconductivity in multiply connected mesoscopic superconductor/ferromagnet (S/F) hybrids such as a thin superconducting ring on a ferromagnet with a uniform in-plane…

Superconductivity · Physics 2019-07-17 A. V. Samokhvalov , J. W. A. Robinson , A. I. Buzdin

Superconductivity with spin-polarized Cooper pairs is known to emerge by combining conventional spinless superconductors with materials that have spin-dependent interactions, such as magnetism and spin-orbit coupling. This enables a…

Superconductivity · Physics 2024-01-23 Sigrid Aunsmo , Jacob Linder

A recent experiment showed that proximity induced Ising spin-orbit coupling enhances the spin-triplet superconductivity in Bernal bilayer graphene. Here, we show that, due to the nearly perfect spin rotation symmetry of graphene, the…

In most naturally occurring superconductors, electrons with opposite spins are paired up to form Cooper pairs. This includes both conventional $s$-wave superconductors such as aluminum as well as high-$T_\text{c}$, $d$-wave superconductors.…

A mechanism leading to the spin-triplet superconductivity is proposed based on the antiferromagnetic spin fluctuation. The effects of anisotropy in spin fluctuation on the Cooper pairing and on the direction of d vector are examined in the…

Superconductivity · Physics 2009-10-31 Takeshi Kuwabara , Masao Ogata

We discuss the Josephson effect in strongly spin-polarized ferromagnets where triplet correlations are induced by means of spin-active interface scattering, extending our earlier work [Phys. Rev. Lett. 102, 227005 (2009)] by including…

Superconductivity · Physics 2015-09-09 Roland Grein , Tomas Lofwander , Matthias Eschrig

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

Motivated by the recent experiment in multilayered cuprate superconductors reporting the enhancement of antiferromagnetic order below the superconducting transition temperature, we study the proximity effect of the antiferromagnetic…

Strongly Correlated Electrons · Physics 2012-05-24 Hiroyuki Yoshizumi , Takao Morinari , Takami Tohyama

A superconductor (SC) in proximity to a ferromagnetic insulator (FMI) is predicted to exhibit mixed singlet and triplet pair correlations. The magnetic proximity effect of FMI spin-splits the energy of Bogoliubov excitations and leads to a…

Mesoscale and Nanoscale Physics · Physics 2024-07-04 Chen-How Huang , Anastasiia Skurativska , F. Sebastian Bergeret , Miguel A. Cazalilla

We consider a new kind of superconducting proximity effect created by the tunneling of "spin split" Cooper pairs between two conventional superconductors connected by a normal conductor containing a quantum dot. The difference compared to…

Mesoscale and Nanoscale Physics · Physics 2018-07-10 O. Entin-Wohlman , R. I. Shekhter , M. Jonson , A. Aharony

The mechanism of unconventional superconductivity, such as high-temperature-cuprate, Fe-based, and heavy-fermion superconductors, has been studied as a central issue in condensed-matter physics. Spin fluctuations, instead of phonons, are…

Superconductivity · Physics 2021-10-27 K. Ishida , S. Matsuzaki , M. Manago , T. Hattori , S. Kitagawa , M. Hirata , T. Sasaki , D. Aoki

We report the results of a study of superconducting proximity effects in clean Ferromagnet/Ferromagnet/Superconductor (${\rm F_1F_2S}$) heterostructures, where the pairing state in S is a conventional singlet s-wave. We numerically find the…

Superconductivity · Physics 2012-08-09 Chien-Te Wu , Oriol T. Valls , Klaus Halterman

The study of the response of superconducting hybrid structures with magnetic materials to microwave irradiation is necessary for the development of effective superconducting spintronic devices. The role of the magnetic proximity effect…

Superconductivity · Physics 2024-10-22 Dmitriy Seleznyov , Yaroslav Turkin , Natalia Pugach , Lingling Tao

We study the distinctive features of the interplay between the interlayer superconductivity and ferroelectricity in van der Waals heterostructures. Corresponding analysis is carried out within the framework of the quasiclassical Eilenberger…

Superconductivity · Physics 2025-12-08 D. S. Annenkov , A. A. Kopasov , A. S. Mel'nikov

We report a first principles computational analysis of two phonon-mediated superconductors, In$_{5}$Bi$_{3}$ and In$_{5}$Sb$_{3}$. We show that spin-orbit coupling leads to splitting of electron bands around the Fermi energy, resulting in a…

Superconductivity · Physics 2024-10-29 Yao Wei , Siyu Chen , Bartomeu Monserrat

In recent years, a number of studies have predicted the emergence of a nontrivial proximity effect in superconductor/antiferromagnet (S/AF) heterostructures. This effect is of considerable interest for the efficient integration of…

Superconductivity · Physics 2025-11-18 G. A. Bobkov , V. A. Bobkov , I. V. Bobkova , A. M. Bobkov , A. A. Golubov
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