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At the interface between a superconductor and a ferromagnetic metal spin-singlet Cooper pairs can penetrate into the ferromagnetic part of the heterostructure with an oscillating and decaying spin-singlet Cooper pair density. However, if…

Superconductivity · Physics 2015-06-17 Daniel Fritsch , James F. Annett

Utilizing a SU(2) gauge symmetry technique in the quasiclassical diffusive regime, we theoretically study finite-sized two-dimensional intrinsic spin-orbit coupled superconductor/normal-metal/superconductor (S/N/S) hybrid structures with a…

Superconductivity · Physics 2015-07-13 Mohammad Alidoust , Klaus Halterman

Superconducting correlations which are long-ranged in magnetic systems have attracted much attention due to their spin-polarization properties and potential use in spintronic devices. Whereas experiments have demonstrated the slow decay of…

Superconductivity · Physics 2014-02-19 Mohammad Alidoust , Klaus Halterman , Jacob Linder

Conventional spin-singlet superconductivity that deeply penetrates into ferromagnets is typically killed by the exchange interaction, which destroys the spin-singlet pairs. Under certain circumstances, however, superconductivity survives…

Mesoscale and Nanoscale Physics · Physics 2019-03-27 Taketomo Nakamura , Le Duc Anh , Yoshiaki Hashimoto , Shinobu Ohya , Masaaki Tanaka , Shingo Katsumoto

We theoretically study scattering process and superconducting triplet correlations in a graphene junction comprised of ferromagnet-RSO-superconductor in which RSO stands for a region with Rashba spin orbit interaction. Our results reveal…

Mesoscale and Nanoscale Physics · Physics 2017-09-21 Razieh Beiranvand , Hossein Hamzehpour , Mohammad Alidoust

We present a theoretical study of the density of states and supercurrent in diffusive superconductor-normal metal-superconductor (SNS) junctions. In particular, we study the influence on these two equilibrium properties of both an arbitrary…

Superconductivity · Physics 2009-11-13 J. C. Hammer , J. C. Cuevas , F. S. Bergeret , W. Belzig

We propose a spin Hall device to induce a large spin Hall effect in a superconductor/normal metal (SN) junction. The side jump and skew scattering mechanisms are both taken into account to calculate the extrinsic spin Hall conductivity in…

Superconductivity · Physics 2015-08-06 S. Hikino , S. Yunoki

We demonstrate a general principle that hybrid structures of any sort inevitably will give rise to a pure spin-current flowing parallel to the interface region when a charge-current is injected. This stems from the broken mirror symmetry…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 J. Linder , T. Yokoyama

We theoretically predict proximity-induced odd-frequency (odd-$\omega$) pairing on the surface of a Weyl nodal loop semimetal, characterized by a nodal loop Fermi surface and drumhead-like surface states (DSSs), attached to conventional…

Superconductivity · Physics 2019-09-18 Paramita Dutta , Annica M. Black-Schaffer

Superconductor-ferromagnetic heterostructures have been suggested as one of the most promising alternatives of realizing odd-frequency superconductivity. In this work we consider the limit of shrinking the ferromagnetic region to the limit…

Superconductivity · Physics 2020-03-11 Dushko Kuzmanovski , Rubén Seoane Souto , Alexander V. Balatsky

Non-relativistic spin-splitting in unconventional antiferromagnets has garnered much attention for its promising spintronic applications and open fundamental questions. Here, we uncover a unique even-parity spin texture in chiral…

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

We analyze the proximity effect of superconductor/ferromagnet nanostructures and point out that the scattering of quasiparticle of spin-triplet pairs by local magnetic moments leads to large resistance peak slightly below the…

Superconductivity · Physics 2011-03-14 Lin He

We compute the spin-active scattering matrix and the local spectrum at the interface between a metal and a three-dimensional topological band insulator. We show that there exists a critical incident angle at which complete (100%) spin flip…

Mesoscale and Nanoscale Physics · Physics 2011-01-18 Erhai Zhao , Chun Zhang , Mahmoud Lababidi

We consider a heterostructure consisting of a normal metal and a superconductor separated by a spin-active interface. At finite-bias voltages, spin-filtering and spin-mixing effects at the interface allow for an induced magnetization (spin…

Mesoscale and Nanoscale Physics · Physics 2014-08-29 Oleksii Shevtsov , Tomas Löfwander

This paper presents the boundary conditions needed for drift-diffusion models to treat interfaces with spin-orbit coupling. Using these boundary conditions for heavy metal/ferromagnet bilayers, solutions of the drift-diffusion equations…

Mesoscale and Nanoscale Physics · Physics 2016-09-21 V. P. Amin , M. D. Stiles

In quantum materials, the electronic interaction and the electron-phonon coupling are, in general, two essential ingredients, the combined impact of which may drive exotic phases. Recently, an anomalously strong electron-electron…

Strongly Correlated Electrons · Physics 2022-12-20 Dai-Wei Qu , Bin-Bin Chen , Hong-Chen Jiang , Yao Wang , Wei Li

In several members of the pnictide materials, spin density wave order coexists with superconductivity over a range of dopings and temperature. In this paper we show that odd-frequency superconductivity emerges on the edges of pnictides in…

Superconductivity · Physics 2018-11-12 Cody Youmans , Areg Ghazaryan , Mehdi Kargarian , Pouyan Ghaemi

We consider unconventional magnets with and without spin-singlet $s$-wave superconductivity and demonstrate the emergence of spin triplet states due to light drives. In particular, we find that a high-frequency linearly polarized light…

Superconductivity · Physics 2026-02-16 Pei-Hao Fu , Sayan Mondal , Jun-Feng Liu , Yukio Tanaka , Jorge Cayao

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

Although correlated electronic-structure calculations explain very well the normal state of Sr$_2$RuO$_4$, its superconducting symmetry is still unknown. Here we construct the spin and charge fluctuation pairing interactions based on its…

Superconductivity · Physics 2019-11-27 Olivier Gingras , Reza Nourafkan , André-Marie S. Tremblay , Michel Côté
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