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We demonstrate the locking by external electromagnetic radiation of magnetic precession in the $ \varphi_0 $ Josephson junction through Josephson oscillations in the region of ferromagnetic resonance. This leads to a step in the dependence…

Superconductivity · Physics 2022-07-08 S. A. Abdelmoneim , Yu. M. Shukrinov , K. V. Kulikov , H. ElSamman , M. Nashaat

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 investigate HgTe/Nb-based three-terminal Josephson junctions in T-shaped and X-shaped geometries and their critical current contours (CCCs). By decomposing the CCCs into the contributions from individual junctions, we uncover how bias…

We study the Josephson effect in a superconductor--ferromagnet--superconductor (SFS) junction with ferromagnetic domains of non-collinear magnetization. As a model for our study we consider a diffusive junction with two ferromagnetic…

Superconductivity · Physics 2007-05-23 B. Crouzy , S. Tollis , D. A. Ivanov

We investigate supercurrent-induced magnetization dynamics in a Josephson junction with two misaligned ferromagnetic layers, and demonstrate a variety of effects by solving numerically the Landau-Lifshitz-Gilbert equation. In particular, we…

Superconductivity · Physics 2015-05-19 Jacob Linder , Takehito Yokoyama

We study magnetization reversal in a $\varphi_0$ Josephson junction with direct coupling between magnetic moment and Josephson current. Our simulations of magnetic moment dynamics show that by applying an electric current pulse, we can…

Superconductivity · Physics 2017-05-24 Yu. M. Shukrinov , I. R. Rahmonov , K. Sengupta , A. Buzdin

A mechanism of a superconductivity-mediated interaction of two magnets in a system of coupled superconductor/ferromagnet/superconductor (S/F/S) Josephson junctions (JJs) with spin-orbit interaction is proposed. The predicted indirect…

Superconductivity · Physics 2022-01-21 G. A. Bobkov , I. V. Bobkova , A. M. Bobkov

Josephson currents are carried by sharp Andreev states within the superconducting energy gap. We theoretically study the electronic transport of a magnetically tunable nanoscale junction consisting of a quantum dot connected to two…

Mesoscale and Nanoscale Physics · Physics 2014-04-11 P. Stadler , C. Holmqvist , W. Belzig

The possibility of magnetization resonant control in a Josephson superconductor-ferromagnet-superconductor $\varphi_{0}$ junction shunted by an $LC$ circuit is demonstrated. As a result of the resonance of Josephson oscillations with…

Superconductivity · Physics 2024-11-26 I. R. Rahmonov , Yu. M. Shukrinov , O. A. Kibardina , S. A. Abdelmoneim

We study tunneling currents in a model consisting of two non-unitary ferromagnetic spin-triplet superconductors separated by a thin insulating layer. We find a novel interplay between ferromagnetism and superconductivity, manifested in the…

Superconductivity · Physics 2007-05-23 M. S. Gronsleth , J. Linder , J. -M. Borven , A. Sudbo

We study tunneling currents in a model consisting of two non-unitary ferromagnetic spin-triplet superconductors separated by a thin insulating layer. We find a novel interplay between ferromagnetism and superconductivity, manifested in the…

Superconductivity · Physics 2007-05-23 M. Gronsleth , J. Linder , J. -M-Borven , A. Sudbo

We discuss the effects of thermal noise on the magnetic response of a lateral ferromagnetic Josephson junction with spin-orbit coupling and out-of-plane magnetization. The direction of the magnetic moment in the ferromagnetic layer can be…

Superconductivity · Physics 2020-10-29 C Guarcello , FS Bergeret

In this paper we extend our earlier analysis of the novel Josephson effect in triplet superconductor--ferromagnet--triplet superconductor (TFT) junctions [B. Kastening \emph{et al.}, Phys. Rev. Lett. {\bf{96}}, 047009 (2006)]. In our more…

Superconductivity · Physics 2009-01-26 P. M. R. Brydon , Boris Kastening , Dirk K. Morr , Dirk Manske

We investigate the Josephson current in a Fano-Josephson junction formed by the direct coupling between two topological superconducting wires and their indirect coupling via a quantum dot. It is found that when two Majorana zero modes…

Mesoscale and Nanoscale Physics · Physics 2014-11-04 Gao Zhen , Shu-Feng Zhang , Ying Zhao , Guangyu Yi , Wei-Jiang Gong

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 ability of magnetic materials to modify superconducting systems is an active research area for possible applications in thermoelectricity, quantum sensing, and spintronics. We consider the fundamental properties of the Josephson effect…

Superconductivity · Physics 2023-10-18 Jabir Ali Ouassou , Arne Brataas , Jacob Linder

We investigate resonance phenomena in a system consisting of a nanomagnet coupled to a Josephson junction under external periodic drive. The coupling in the system leads to appearance of additional resonance peaks whose properties depend on…

Superconductivity · Physics 2025-07-14 K. V. Kulikov , D. V. Anghel , M. Nashaat , M. Dolineanu , M. Sameh , Yu. M. Shukrinov

We study the spin nutation effects of the molecular nanomagnet on the Josephson current through a superconductor$|$molecular nanomagnet$|$superconductor tunnel junction. We explicitly demonstrate that due to the spin nutation of the…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 J. Abouie , B. Abdollahipour , A. A. Rostami

Spin-polarized current effect is studied on the static and dynamic magnetization of the antiferromagnet in a ferromagnet - antiferromagnet junction. The macrospin approximation is generalized to antiferromagnets. Canted antiferromagnetic…

Materials Science · Physics 2011-06-20 E. M. Epshtein , Yu. V. Gulyaev , P. E. Zilberman

Mesoscopic superconducting-normal-metal-superconducting (S-N-S) junctions with a large separation between the superconducting electrodes (i.e. wide junctions) exhibit nonequilibrium supercurrents, even at temperatures for which the…

Superconductivity · Physics 2009-10-31 Nathan Argaman