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In superconductors spin-split by an exchange field, thermal effects are coupled to spin transport. We show how an oscillating electromagnetic field in such systems creates spin imbalance, that can be detected with a spin-polarized probe.…

Superconductivity · Physics 2016-01-25 P. Virtanen , T. T. Heikkilä , F. S. Bergeret

We investigate spin dependent transport in hybrid superconductor(S)--normal-metal(N)--ferromagnet(F) structures under conditions of proximity effect. We demonstrate the feasibility of the absolute spin-valve effect for a certain interval of…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Daniel Huertas-Hernando , Yu. V. Nazarov , W. Belzig

Recent theoretical work highlighted unique properties of superconducting altermagnets, including the wealth of topologically non-trivial phases as well as their potential uses in spintronic applications. Given that no intrinsically…

Superconductivity · Physics 2025-09-05 Niclas Heinsdorf , Marcel Franz

The magnetic field of moving vortices in anisotropic superconductors is considered in the framework of time-dependent London approach. It is found that at distances large relative to the core size, the field may change sign that alludes to…

Superconductivity · Physics 2021-10-04 V. G. Kogan , N. Nakagawa

We report on fundamental aspects of spin dynamics in graphene interfaced with transition metal dichalcogenides (TMDCs). By using realistic models derived from first principles we compute the spin lifetime anisotropy, defined as the ratio of…

Mesoscale and Nanoscale Physics · Physics 2017-11-22 Aron W. Cummings , Jose H. García , Jaroslav Fabian , Stephan Roche

Magnetization noncollinearity in ferromagnet-superconductor (F/S) heterostructures is expected to enhance the superconducting transition temperature (Tc) according to the domain-wall superconductivity theory, or to suppress Tc when…

Superconductivity · Physics 2013-04-25 L. Y. Zhu , Yaohua Liu , F. S. Bergeret , J. E. Pearson , S. G. E. te Velthuis , S. D. Bader , J. S. Jiang

The proximity effect in semiconductor-superconductor nanowires is expected to generate an induced gap in the semiconductor. The magnitude of this induced gap, together with the semiconductor properties like the spin-orbit coupling and…

We study proximity effect in a tunnel junction between a bulk superconductor and a thin disordered ferromagnetic layer on its surface. Cooper pairs penetrating from the superconductor into the ferromagnet tend to destabilize its uniform…

Disordered Systems and Neural Networks · Physics 2025-12-10 A. V. Levin , P. M. Ostrovsky

In this paper we investigate the spin-resolved thermoelectric properties of strongly correlated molecular junctions in the linear response regime. The magnetic molecule is modeled by a single orbital level to which the molecular core spin…

Mesoscale and Nanoscale Physics · Physics 2021-05-25 Anand Manaparambil , Ireneusz Weymann

We study spin dependent phonomena in superconducting junctions in both ballistic and diffusive regimes. For ballistic junctions we study both ferromagnet / $s$- and d-wave superconductor junctions and two dimensional electron gas / s-wave…

Superconductivity · Physics 2009-11-11 T. Yokoyama , Y. Tanaka

The magnetic properties of metal-organic complexes are strongly influenced by conformational changes in the ligand. The flexibility of Fe-tetra-pyridyl-porphyrin molecules leads to different adsorption configurations on a Au(111) surface.…

Mesoscale and Nanoscale Physics · Physics 2018-11-06 Daniela Rolf , Christian Lotze , Constantin Czekelius , Benjamin W. Heinrich , Katharina J. Franke

The intimate connection between magnetism and superconducting pairing routinely plays a central role in determining the occurrence of unconventional superconducting states. In high-transition-temperature (high-Tc) stripe-ordered cuprate…

We study spin transport in nonitinerant one-dimensional quantum spin chains. Motivated by possible applications in spintronics, we consider rectification effects in both ferromagnetic and antiferromagnetic systems. We find that the crucial…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 Kevin A. van Hoogdalem , Daniel Loss

We study the excess conductance due to the superconducting proximity effect in a ballistic two-dimensional electron system subject to an in-plane magnetic field. We show that under certain conditions the interplay of the Zeeman spin…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Grygoriy Tkachov , Klaus Richter

Graphene on an insulating ferromagnetic substrate---ferromagnetic insulator or ferromagnetic metal with a tunnel barrier---is expected to exhibit giant proximity exchange and spin-orbit couplings. We use a realistic transport model of…

Mesoscale and Nanoscale Physics · Physics 2016-11-09 Jeongsu Lee , Jaroslav Fabian

We present an analytical study of the proximity effect in ferromagnet/superconductor (F/S) heterostructures, allowing for an arbitrary magnetic exchange energy as well as arbitrary impurity and spin-flip scattering rates within a…

Superconductivity · Physics 2009-11-13 Jacob Linder , Malek Zareyan , Asle Sudbø

To understand the effect of molecular environment on the electronic and magnetic properties of the single-molecule magnet (SMM) Mn$_{12}$, we explore two possible means for adding extra electrons to molecule. We explore both substitution of…

Materials Science · Physics 2009-11-10 Kyungwha Park , Mark R. Pederson

We investigate the effect of spin orbit coupling on proximity induced superconductivity in a normal metal attached to a superconductor. Specifically, we consider a heterostructure where the presence of interfaces gives rise to a Rashba spin…

Superconductivity · Physics 2023-05-30 Vivek Mishra , Yu Li , Fu-Chun Zhang , Stefan Kirchner

We investigate the coupling between two singlet superconductors separated by a half-metallic magnet. The mechanism behind the coupling is provided by the rotation of the quasiparticle spin in the superconductor during reflection events at…

Superconductivity · Physics 2009-11-07 M. Eschrig , J. Kopu , J. C. Cuevas , Gerd Schön

Attaching a superconductor in good contact with a normal metal makes rise to a proximity effect where the superconducting correlations leak into the normal metal. An additional contact close to the first one makes it possible to carry a…

Superconductivity · Physics 2010-06-25 Pauli Virtanen , Tero T. Heikkilä
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