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The prospect of combining the dissipationless nature of superconducting currents with the spin-polarization of magnetic materials is interesting with respect to exploring superconducting analogues of topics in spintronics. In order to…

Mesoscale and Nanoscale Physics · Physics 2015-06-22 Iryna Kulagina , Jacob Linder

The Josephson current in a diffusive superconductor/ferromagnet/superconductor junction with precessing magnetization is calculated within the quasiclassical theory of superconductivity. When the junction is phase-biased, a stationary…

Superconductivity · Physics 2015-03-31 M. Houzet

It has been predicted theoretically that an unconventional odd-frequency spin-triplet component of superconducting order parameter can be induced in multilayered ferromagnetic structures with non-collinear magnetization. In this work we…

Superconductivity · Physics 2015-06-19 Adrian Iovan , Taras Golod , Vladimir M. Krasnov

An extended Josephson junction consists of two superconducting electrodes that are separated by an insulator and it is therefore also a microwave cavity. The superconducting phase difference across the junction determines the supercurrent…

Superconductivity · Physics 2015-06-03 V. Humbert , M. Aprili , J. Hammer

We study theoretically dynamics in a Josephson junction coupled to a mechanical resonator looking at the signatures of the resonance in d.c. electrical response of the junction. Such a system can be realized experimentally as a suspended…

Mesoscale and Nanoscale Physics · Physics 2012-12-07 C. Padurariu , C. J. H. Keijzers , Yu. V. Nazarov

The magnetic analogue of the Josephson effect can be exploited to develop a new class of nano-spin oscillators that we denote as spin superfluid Josephson oscillators. Such a device, consisting of two exchange coupled easy-plane metallic…

Mesoscale and Nanoscale Physics · Physics 2018-07-04 Yizhou Liu , Igor Barsukov , Ilya Krivorotov , Yafis Barlas , Roger K. Lake

Preliminary results are presented concerning static properties of a small Josephson junction under the influence of strong microwave radiation. We discuss the correspondence between a Brownian particle moving in a periodic potential and…

Superconductivity · Physics 2010-07-08 I. Abalosheva , P. Gierlowski , M. Jaworski , S. J. Lewandowski

We investigate the interplay between ferromagnetic and superconducting order at the edge of a quantum spin Hall insulator. Using complementary analytical and self-consistent numerical approaches, we study a ferromagnetic Josephson junction…

Superconductivity · Physics 2015-05-27 Annica M. Black-Schaffer , Jacob Linder

Superconductor-Ferromagnet hybrid structures (SF) have attracted much interest in the last decades, due to a variety of interesting phenomena predicted and observed in these structures. One of them is the so-called inverse proximity effect.…

Superconductivity · Physics 2019-10-29 Samme M. Dahir , Anatoly F. Volkov , Ilya M. Eremin

A superconductor-semiconducting nanowire-superconductor heterostructure in the presence of spin orbit coupling and magnetic field can support a supercurrent even in the absence of phase difference between the superconducting electrodes. We…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 G. Campagnano , P. Lucignano , D. Giuliano , A. Tagliacozzo

In the past year, several groups have observed evidence for long-range spin-triplet supercurrent in Josephson junctions containing ferromagnetic (F) materials. In our work, the spin-triplet pair correlations are created by non-collinear…

We study a classical double exchange magnet with direct antiferromagnetic superexchange coupling, J, between the localized spins. It is shown that the de-stabilization of the ferromagnetic ground state with increasing J leads to phase…

Strongly Correlated Electrons · Physics 2008-11-26 D. I. Golosov

We investigate the influence of the spin-phonon coupling in the triangular antiferromagnet where the coupling is of the exchange-striction type. The magnon dispersion is shown to be modified significantly at wave vector (2pi,0) and its…

Strongly Correlated Electrons · Physics 2011-11-09 Jung Hoon Kim , Jung Hoon Han

A thin ferromagnetic layer on a bulk equal-spin-pairing triplet superconductor is shown to mediate a Josephson coupling between the spin $\uparrow$ and $\downarrow$ condensates of the superconductor. By deriving analytic expressions for the…

Superconductivity · Physics 2015-03-17 P. M. R. Brydon , Yasuhiro Asano , Carsten Timm

The unconventional Josephson coupling in a ferromagnetic weak link between d-wave superconductors is studied theoretically. For strong ferromagnetic barrier influence, the unconventional coupling, with ground state phase difference across…

Superconductivity · Physics 2009-10-31 Z. Radovic , L. Dobrosavljevic--Grujic , B. Vujicic

In this study, we explore the Josephson current-phase relation within a planar diffuse tunneling superconducting multilayer junction subjected to a parallel magnetic field. Our investigation involves computing the supercurrent associated…

Superconductivity · Physics 2024-06-19 A. S. Osin , Alex Levchenko , Maxim Khodas

Excitation of spin waves is considered in a superconducting ferromagnetic slab with the equilibrium magnetization both perpendicular and parallel to the surface. The surface impedance is calculated and its behavior near propagation…

Superconductivity · Physics 2009-11-11 V. Braude

The properties of Josephson tunneling between a single band s-wave superconductor and a two band $s_\pm$ superconductor are studied, in relation to recent experiments involving iron-based superconductors. We study a single junction and tune…

Superconductivity · Physics 2016-06-22 Rosa Rodríguez-Mota , Erez Berg , T. Pereg-Barnea

We study theoretically the effects of interfacial Rashba and Dresselhaus spin-orbit coupling in superconductor/ferromagnet/superconductor (S/F/S) Josephson junctions---with allowing for tunneling barriers between the layers---by solving the…

Superconductivity · Physics 2017-01-30 Andreas Costa , Petra Högl , Jaroslav Fabian

The spectrum of hybrid electromagnetic-spin-acoustic waves for magnetic having conical spiral ferromagnetic structure defined by heterogeneous exchange and relativistic interactions have been received. The possibility of resonant…

Other Condensed Matter · Physics 2012-12-03 Igor V. Bychkov , Dmitry A. Kuzmin , Vladimir G. Shavrov