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The stationnary Josephson effect in a clean Superconductor-Ferromagnet-Superconductor junction is revisited for arbitrarily large spin polarizations. The quasiclassical calculation of the supercurrent assumes that the Andreev reflection is…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 J. Cayssol , G. Montambaux

We study the Josephson effect between a conventional s-wave superconductor and a non-centrosymmetric superconductor with Rashba spin-orbit coupling. Rashba spin-orbit coupling affects the Josephson pair tunneling in a characteristic way.…

Superconductivity · Physics 2008-06-06 N. Hayashi , C. Iniotakis , M. Machida , M. Sigrist

We study the Josephson effect between weakly coupled d-wave superconductors within the quasiclassical theory, in particular, the influence of interface roughness on the current-phase relation and the critical current of mirror junctions and…

Superconductivity · Physics 2007-05-23 T. Lueck , P. Schwab , U. Eckern , A. Shelankov

We analyze charge transport through a ballistic ferromagnet/insulator/superconductor junction by means of the Bogoliubov-de Gennes equations. We take into account the possibility that ferromagnetism in the first electrode may be driven by a…

Superconductivity · Physics 2015-05-27 Gaetano Annunziata , Mario Cuoco , Paola Gentile , Alfonso Romano , Canio Noce

Interfacial spin-orbit coupling in Josephson junctions offers an intriguing way to combine anomalous Hall and Josephson physics in a single device. We study theoretically how the superposition of both effects impacts…

Superconductivity · Physics 2020-03-18 Andreas Costa , Jaroslav Fabian

Two majorana Fermions (MFs) localized at the two ends of the topological superconducting wire can interfere with each other and form the well known $4\pi$ Josephson current. We reveal that the density of states (Dos) for the electron part…

Mesoscale and Nanoscale Physics · Physics 2016-03-14 Jie Liu , Juntao Song , Qing-Feng Sun , X. C. Xie

The superconducting critical temperature $T_C$ of a superconductor/ferromagnet (S/F) bilayer with spin-flip scatterings at the interface is calculated as a function of the ferromagnet thickness $d_F$ in the dirty limit employing the Usadel…

Superconductivity · Physics 2007-05-23 Hyeonjin Doh , Han-Yong Choi

We show that injecting nonequilibrium spins into the superconducting leads strongly enhances the stationary Josephson current through a superconductor-ferromagnet-superconductor junction. The resulting long-range super-current through a…

Superconductivity · Physics 2015-06-11 A. G. Mal'shukov , Arne Brataas

We predict the thermal counterpart of the anomalous Josephson effect in superconductor/ferromagnet/superconductor junctions with non-coplanar magnetic texture. The heat current through the junction is shown to have the phase-sensitive…

Superconductivity · Physics 2017-08-22 M. A. Silaev

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

In this letter we study the effect of time-reversal symmetric impurities on the Josephson supercurrent through two dimensional helical metals such as on topological insulator surface state. We show that contrary to the usual…

Superconductivity · Physics 2016-01-27 Pouyan Ghaemi , V. P. Nair

We investigate the current-phase relations of Al/InAs-quantum well planar Josephson junctions fabricated using nanowire shadowing technique. Based on several experiments, we conclude that the junctions exhibit an unusually large…

The pursuit of dissipationless spin supercurrents is a central theme in superconducting spintronics. We propose a field-free Josephson junction using an inhomogeneous altermagnetic interlayer with in-plane N\'{e}el vectors. We show that the…

Superconductivity · Physics 2026-05-11 Wenjun Zhao , Yuri Fukaya , Pablo Burset , Jorge Cayao , Yukio Tanaka , Bo Lu

The magnetic interference pattern in mesoscopic SNS Josephson junctions is sensitive to the scattering in the normal part of the system. In this paper we investigate it, generalizing Ishii's formula for current-phase dependence to the case…

Superconductivity · Physics 2009-11-10 Daniel E. Sheehy , Alexandre M. Zagoskin

Josephson junctions containing three ferromagnetic layers with non-collinear magnetizations between adjacent layers carry spin-triplet supercurrent under certain conditions. The signature of the spin-triplet supercurrent is a relatively…

Superconductivity · Physics 2020-07-29 Victor Aguilar , Demet Korucu , Joseph A. Glick , Reza Loloee , W. P. Pratt , Norman O. Birge

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

We theoretically study spin current through ferromagnet (F) in a Josephson junction composed of s-wave superconductors and two layers of ferromagnets. Using quasiclassical theory, we show that the long-range spin current can be driven by…

Superconductivity · Physics 2015-06-15 S. Hikino , S. Yunoki

To reveal the influence of the exchange interaction on the Josephson effect, the d.c. Josephson current in unconventional-superconductor / ferromagnet / unconventional-superconductor junctions is studied. When the two superconductors have…

Superconductivity · Physics 2007-05-23 Y. Tanaka , S. Kashiwaya

We calculate the Josephson current in a diffusive superconductor/ferromagnet/superconductor junction, where the ferromagnetic region contains multiple layers (or domains). In particular, we study a configuration where there are two layers…

Superconductivity · Physics 2009-11-13 Iver B. Sperstad , Jacob Linder , Asle Sudbø

We have measured a long-range supercurrent in Josephson junctions containing Co (a strong ferromagnetic material) when we insert thin layers of either PdNi or CuNi weakly-ferromagnetic alloys between the Co and the two superconducting Nb…

Superconductivity · Physics 2015-05-14 Trupti S. Khaire , Mazin A. Khasawneh , W. P. Pratt, , Norman O. Birge