English
Related papers

Related papers: Dynamics of spin transport in voltage-biased Josep…

200 papers

Josephson junctions made with conventional s-wave superconductors and containing multiple layers of ferromagnetic materials can carry spin-triplet supercurrent in the presence of certain types of magnetic inhomogeneity. In junctions…

Superconductivity · Physics 2016-02-24 William Martinez , W. P. Pratt, , Norman O. Birge

We study the Josephson effect in a triplet superconductor--ferromagnet--singlet superconductor junction. We show that the interaction of tunneling Cooper pairs with the interface magnetization can permit a Josephson current at the lowest…

Superconductivity · Physics 2013-08-22 P. M. R. Brydon , Wei Chen , Yasuhiro Asano , Dirk Manske

We show that the dc Josephson current through superconductor-antiferromagnet-superconductor (S/AF/S) junctions manifests a remarkable atomic scale dependence on the interlayer thickness. At low temperatures the junction is either a 0- or…

Superconductivity · Physics 2009-11-11 Brian M. Andersen , I. V. Bobkova , P. J. Hirschfeld , Yu. S. Barash

We demonstrate how the boundary-driven reconstruction of the superconducting order parameter can be employed to manipulate the zero-energy Majorana bound states (MBSs) occurring in a topological Josephson junction. We focus on an interface…

Superconductivity · Physics 2019-09-23 Maria Teresa Mercaldo , Panagiotis Kotetes , Mario Cuoco

We theoretically study the Josephson current in Ising superconductor-half-metal-Ising superconductor junctions. By solving the Bogoliubov-de Gennes equations, the Josephson currents contributed by the discrete Andreev levels and the…

Superconductivity · Physics 2020-01-22 Qiang Cheng , Qing-Feng Sun

Andreev bound states (ABS) occur in Josephson junctions when the total phase of the Andreev and normal reflections is a multiple of $2\pi$. In ballistic junctions with an applied voltage bias, a quasi-particle undergoes multiple Andreev…

We consider the tunnel spin current between two ferromagnetic metals from a perspective similar to the one used in superconductor/superconductor tunnel junctions. We use fundamental arguments to derive a Josephson-like spin tunnel current…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Flavio S. Nogueira , Karl-Heinz Bennemann

We present an exhaustive study of the coherent heat transport through superconductor-ferromagnet(S-F) Josephson junctions including a spin-filter (I$_{sf}$) tunneling barrier. By using the quasiclassical Keldysh Green's function technique…

Superconductivity · Physics 2013-07-23 F. S. Bergeret , F. Giazotto

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 theoretically study the spin-polarized transport through a single-molecule magnet, which is weakly coupled to ferromagnetic leads, by means of the rate-equation approach. We consider both the ferromagnetic and antiferromagnetic…

Mesoscale and Nanoscale Physics · Physics 2012-03-22 Haiqing Xie , Qiang Wang , Bo Chang , Hujun Jiao , J. -Q. Liang

Non-linear electrodynamics of a ring-shaped Andreev interferometer (superconductor-normal conductor-superconductor hybrid structure) inductively coupled to a circuit of the dissipative current is investigated. The current-voltage…

Superconductivity · Physics 2009-11-10 A. Kadigrobov

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

We theoretically study a Josephson junction consisting of s-wave superconductors and a p-wave magnet. We find that in the presence of a strength vector of p-wave magnet, the electrons' and holes' dispersion relation shifts in the k-space.…

Superconductivity · Physics 2025-07-16 Morteza Salehi

We study subgap transport in a ferromagnet-superconductor junction at low temperature due to Andreev reflection. The mismatch of spin polarized current in the ferromagnet and spinless current in the superconductor results in an additional…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Edward McCann , Vladimir I. Fal'ko

We investigate the Josephson transport properties in a Josephson junction consisting of a conventional $s$-wave superconductor coupled to a multi-orbital noncentrosymmetric superconductor marked by an orbitally driven inversion asymmetry…

Superconductivity · Physics 2020-10-21 Yuri Fukaya , Yada Keiji , Yukio Tanaka , Paola Gentile , Mario Cuoco

We propose a new process of magnon-assisted Andreev reflection at a ferromagnetic metal - superconductor interface, which consists of the simultaneous injection of a Cooper pair from the superconductor and the emission of a magnon inside…

Superconductivity · Physics 2009-11-07 Grygoriy Tkachov , Edward McCann , Vladimir I. Fal'ko

Altermagnetism has emerged as a promising ingredient for realizing nontrivial Josephson phases, but so far explored in single Josephson junctions. In this work, we consider the coherent coupling of two Josephson junctions with spin-singlet…

Superconductivity · Physics 2026-03-06 Sayan Mondal , Jorge Cayao

Epitaxially grown, high quality semiconductor InSb nanowires are emerging material systems for the development of high performance nanoelectronics and quantum information processing and communication devices, and for the studies of new…

Mesoscale and Nanoscale Physics · Physics 2012-04-19 H. A. Nilsson , P. Samuelsson , P. Caroff , H. Q. Xu

We propose a controlled Josephson spin current across the junction of two non-centrosymmetric superconductors like CePt_3Si. The Josephson spin current arises due to direction dependent tunneling matrix element and different momentum…

Superconductivity · Physics 2009-11-11 Sudhansu S. Mandal , Soumya P. Mukherjee

We consider the microwave dynamics and transport properties of a voltage-biased single-Cooper-pair transistor. The dynamics is shown to be strongly affected by interference between multiple microwave-induced inter-level transitions. As a…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 L. Y. Gorelik , S. I. Kulinich , R. I. Shekhter , M. Jonson