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We propose that geometric curvature and torsion may be used to probe the quality of an uncompensated antiferromagnetic interface, using the proximity effect. We study a helix of antiferromagnetic wire coupled to a conventional…

Superconductivity · Physics 2025-01-16 Tancredi Salamone , Magnus Skjærpe , Henning G. Hugdal , Morten Amundsen , Sol H. Jacobsen

We report on the study of electron transport in the oxide heterostructures with superconductor/magnetic matter (S/M) interfaces where anomaly large penetration of superconducting correlations in magnetic matter (proximity effect) is…

We study the electric and thermoelectric transport properties of correlated quantum dots coupled to two ferromagnetic leads and one superconducting electrode. Transport through such hybrid devices depends on the interplay of…

Mesoscale and Nanoscale Physics · Physics 2015-06-19 Krzysztof P. Wojcik , Ireneusz Weymann

Spinful triplet Cooper pairs can be generated from their singlet counterparts available in a conventional superconductor (S) using two or more noncollinear magnetic moments, typically contributed by different magnets in a multilayered…

Mesoscale and Nanoscale Physics · Physics 2023-08-24 Simran Chourasia , Lina Johnsen Kamra , Irina V. Bobkova , Akashdeep Kamra

A small number of superconductors are believed to exhibit intrinsic spin triplet pairing, and they are often discussed in terms of a simple, $^3$He-like picture where ferromagnetic spin fluctuations provide the "glue". However, in some…

Superconductivity · Physics 2022-04-08 Andreas Kreisel , Yundi Quan , P. J. Hirschfeld

We present theoretical results on the interplay of magnetic and superconducting orders in diffusive ferromagnet-superconductor-ferromagnet trilayers. The induced triplet superconducting correlations throughout the trilayer lead to an…

Superconductivity · Physics 2009-11-11 Tomas Lofwander , Thierry Champel , Johannes Durst , Matthias Eschrig

We study peculiarities of proximity effect in clean superconductor -- ferromagnet structures caused by either spatial or momentum dependence of the exchange field. Even a small modulation of the exchange field along the quasiparticle…

Superconductivity · Physics 2015-06-11 A. S. Mel'nikov , A. V. Samokhvalov , S. M. Kuznetsova , A. I. Buzdin

Advances in scaling down heterostructures and having an improved interface quality together with atomically-thin two-dimensional materials suggest a novel approach to systematically design materials. A given material can be transformed…

Materials Science · Physics 2018-05-22 Igor Zutic , Alex Matos-Abiague , Benedikt Scharf , Hanan Dery , Kirill Belashchenko

Recent discovery of superconducting (SC) ternary iron selenides has block antiferromagentic (AFM) long range order. Many experiments show possible mesoscopic phase separation of the superconductivity and antiferromagnetism, while the…

Superconductivity · Physics 2012-03-15 Hong-Min Jiang , Wei-Qiang Chen , Zi-Jian Yao , Fu-Chun Zhang

The superconducting proximity effect is known to modify transport properties of hybrid normal--superconducting structures. In addition to changing electrical and thermal transport separately, it alters the thermoelectric effects. Changes to…

Superconductivity · Physics 2007-05-23 Pauli Virtanen , Tero T. Heikkila

A general quasi-phenomenological theory that describes phases and phase transitions of ferromagnetic superconductors with spin-triplet electron Cooper pairing is presented. The theory is based on extended Ginzburg-Landau expansion in powers…

Superconductivity · Physics 2014-05-26 Dimo I. Uzunov

Unconventional antiferromagnets with spin-split bands, such as noncollinear magnets and the recently discovered altermagnets, serve as new constituents to explore unconventional superconductivity. Here, we unveil a new type and previously…

Superconductivity · Physics 2026-02-24 Song-Bo Zhang , Lun-Hui Hu , Qian Niu , Zhenyu Zhang

It has been commonly accepted that magnetic field suppresses superconductivity by inducing the ordered motion of Cooper pairs. We demonstrate that magnetic field can instead provide a generation of superconducting correlations by inducing…

Superconductivity · Physics 2020-10-07 M. A. Silaev , I. V. Bobkova , A. M. Bobkov

Phase structure of the (2+1)-dimensional model with four-fermion interaction of spin-1/2 quasiparticles (electrons) both in the fermion-antifermion (or chiral) and fermion-fermion (or superconducting) channels is considered at nonzero…

High Energy Physics - Theory · Physics 2015-06-12 K. G. Klimenko , R. N. Zhokhov , V. Ch. Zhukovsky

We theoretically study the superconducting properties of multi-band two-dimensional transition metal oxide superconductors by analyzing not only the role played by conventional singlet pairings, but also by the triplet order parameters,…

Strongly Correlated Electrons · Physics 2021-10-12 L. Lepori , D. Giuliano , A. Nava , C. A. Perroni

We propose that screened pairing interactions mediated by phonons could give rise to a spin triplet superconductivity in ferromagnetic compounds such as UGe_2. It is pointed out that the pairing interactions include anisotropic components…

Superconductivity · Physics 2009-10-31 Hiroshi Shimahara , Mahito Kohmoto

Long-range propagation of equal-spin triplet Cooper pairs typically occurs in ferromagnet/$s$-wave superconductor junctions, where net magnetization plays a crucial role. Here, we propose a fundamentally different scenario in which…

Superconductivity · Physics 2026-03-18 Chuang Li , Jin-Xing Hou , Fu-Chun Zhang , Song-Bo Zhang , Lun-Hui Hu

We study superconductivitiy under light irradiation based on the Floquet-Magnus expansion in the high-frequency regime. We find that, in spin-singlet superconductors with spin-orbit coupling, triplet superconductivity can be induced in the…

Superconductivity · Physics 2025-10-13 Takehito Yokoyama

Over the recent years, crossroads of magnetism and superconductivity led to the emerging field of superconducting spintronics. A cornerstone of this venture is the generation of equal-spin triplet Cooper pairs in superconductor-ferromagnet…

Superconductivity · Physics 2025-12-22 Pablo Tuero , César González-Ruano , Igor Žutić , Yuan Lu , Coriolan Tiusan , Farkhad G. Aliev

The interplay between superconductivity and ferromagnetism has long been pursued as a route to unconventional Josephson effects, yet suitable material platforms remain limited. Here we report Josephson junctions based on epitaxial…

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