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Ferromagnets are known to support spin-polarized currents that control various spin-dependent transport phenomena useful for spintronics. On the contrary, fully compensated antiferromagnets are expected to support only globally spin-neutral…

Mesoscale and Nanoscale Physics · Physics 2023-05-26 Ding-Fu Shao , Yuan-Yuan Jiang , Jun Ding , Shu-Hui Zhang , Zi-An Wang , Rui-Chun Xiao , Gautam Gurung , W. J. Lu , Y. P. Sun , Evgeny Y. Tsymbal

Due to nonrelativistic altermagnetic spin splitting effect (ASSE), altermagnets can generate time-reversal-odd spin current and spin splitting torque (SST) with spin polarization parallel to the N\'eel vector. Hence the effective…

When superconductivity couples with noncollinear spin textures, rich physics arises; for instance, singlet Cooper pairs can be converted to triplet pairs, and topological superconductors can be realized. For their applications, the…

Strongly Correlated Electrons · Physics 2018-03-02 Rina Takashima , Yasuyuki Kato , Youichi Yanase , Yukitoshi Motome

We demonstrate that the hybrid structures consisting of a superconducting layer with an adjacent spin-textured ferromagnet demonstrate the variety of equilibrium magnetoelectric effects originating from coupling between the conduction…

Superconductivity · Physics 2019-06-18 D. S. Rabinovich , I. V. Bobkova , A. M. Bobkov , M. A. Silaev

We theoretically investigate the supercurrent-induced magnetization dynamics of a two-dimensional lattice of ferromagnetically ordered spins placed on a conventional superconductor with broken spatial inversion symmetry and strong…

Mesoscale and Nanoscale Physics · Physics 2016-06-29 Kjetil M. D. Hals

We study dissipationless spin transport induced by a charge supercurrent in a monolayer van der Waals superconductor under the applied magnetic field and in a bilayer superconductor/ferromagnet (S/F) heterostructure with no external field.…

Superconductivity · Physics 2024-09-12 G. A. Bobkov , A. M. Bobkov , I. V. Bobkova

We study spin transfer torques induced by a spin-triplet supercurrent in a magnet with the superconducting proximity effect. By a perturbative approach, we show that spin-triplet correlations realize new types of torques, which are…

Mesoscale and Nanoscale Physics · Physics 2017-09-27 Rina Takashima , Satoshi Fujimoto , Takehito Yokoyama

Spin superfluidity, a phenomenon enabling low dissipative spin transport analogous to superfluidity in liquid helium and superconductivity in electronic systems, has remained a theoretical concept. To realize the spin superfluidity in an…

We introduce the general formalism to describe spin torques induced by the supercurrents injected from the adjacent superconducting electrodes into the spin-textured ferromagnets. By considering the adiabatic limit for the equal-spin…

Superconductivity · Physics 2018-08-28 I. V. Bobkova , A. M. Bobkov , M. A. Silaev

Spin-splitting induced in a conventional superconductor weakens superconductivity by destroying spin-singlet and creating spin-triplet Cooper pairs. We demonstrate theoretically that such an effect is also caused by an adjacent compensated…

Superconductivity · Physics 2025-10-30 G. A. Bobkov , I. V. Bobkova , A. M. Bobkov , Akashdeep Kamra

Altermagnets (AMs) - magnetic materials that have spin-split bandstructure with zero net spin polarization can be classified as weak or strong depending upon the strength of altermagnetic term in the Hamiltonian. We theoretically…

Mesoscale and Nanoscale Physics · Physics 2026-02-18 Shubham Ghadigaonkar , Sachchidanand Das , Abhiram Soori

Supercurrent flow can induce a nonvanishing spin magnetization in noncentrosymmetric superconductors with spin-orbit interaction. Often known as the non-dissipative magnetoelectric effect, these are most commonly found at linear order in…

Superconductivity · Physics 2025-01-20 Jin-Xin Hu , Oles Matsyshyn , Justin C. W. Song

Antiferromagnets exhibit distinctive characteristics such as ultrafast dynamics and robustness against perturbative fields, thereby attracting considerable interest in fundamental physics and technological applications. Recently, it was…

Mesoscale and Nanoscale Physics · Physics 2021-11-03 Atsushi Ono , Sumio Ishihara

We report on a study of the interplay between the supercurrent and spin-polarization in a two-dimensional superconducting system in the presence of a d-wave symmetric antiferromagnetic exchange interaction (altermagnetism). It is…

Superconductivity · Physics 2025-04-28 Alexander A. Zyuzin

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

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

Spin-polarized supercurrents can be generated with magnetic inhomogeneity at a ferromagnet/spin-singlet-superconductor interface. In such systems, complex magnetic inhomogeneity makes it difficult to functionalise the spin-polarized…

Superconductivity · Physics 2019-11-04 M. S. Anwar , M. Kunieda , R. Ishiguro , S. R. Lee , C. Sow , J. W. A. Robinson , S. Yonezawa , T. W. Noh , Y. Maeno

Antiferromagnets are promising candidates for ultrafast spintronic applications, leveraging current-induced spin-orbit torques. However, experimentally distinguishing between different switching mechanisms of the staggered magnetization…

The interplay between magnetism and superconductivity provides a fertile ground for engineering exotic topological phases, while dynamical control via periodic driving offers a unique avenue to access quantum states that are inaccessible in…

Superconductivity · Physics 2026-04-03 Xiaolin Wan , Zheng Qin , Fangyang Zhan , Junjie Zeng , Dong-Hui Xu , Rui Wang

Proximity effect at superconductor/antiferromagnet (S/AF) interfaces, which manifests itself as generation of Neel-type triplet correlations, leads to sensitivity of the superconducting critical temperature to the mutual orientation of the…

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