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Topological spin configurations in proximity to a superconductor have recently attracted great interest due to the potential application of the former in spintronics and also as another platform for realizing non-trivial topological…

Superconductivity · Physics 2020-07-09 Samme M. Dahir , Anatoly F. Volkov , Ilya M. Eremin

We predict that unpolarized charge current driven through the longitudinal leads attached to ballistic quantum-coherent two-dimensional electron gas (2DEG) in semiconductor heterostructure will induce a {\em pure} spin current, which is not…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Branislav K. Nikolic , Liviu P. Zarbo , Satofumi Souma

Within the framework of an idealized theoretical model, we study the effect of external static homogeneous exchange and magnetic field on the spin part of the singlet wave function of two electrons. We begin by revising the traditional…

Quantum Physics · Physics 2021-11-09 S. V. Kuplevakhsky , S. V. Bengus

We have described electron spin dynamics in the presence of the spin-orbit interaction and disorder using the spin-density matrix method. Exact solution is obtained for an arbitrary 2D spin-orbit Hamiltonian and arbitrary smoothness of the…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Alexander Khaetskii

The superconducting diode effect (SDE) is a key nonreciprocal phenomenon with broad relevance for superconducting electronics. Using time-dependent Ginzburg-Landau simulations, we predict and quantify a superconducting diode effect arising…

Superconductivity · Physics 2025-12-18 Axel J. M. Deenen , Dirk Grundler

Superconductors used in magnet technology could carry extreme currents because of their ability to keep the magnetic flux motionless. The dynamics of the magnetic flux interaction with superconductors is controlled by this property. The…

Accelerator Physics · Physics 2015-01-29 F Gömöry

Conventional $s$-wave superconductors repel external magnetic flux. However, a recent experiment [A. Di Bernardo et al., Phys. Rev. X \textbf{5}, 041021 (2015)] has tailored the electromagnetic response of superconducting correlations via…

Mesoscale and Nanoscale Physics · Physics 2016-03-30 Camilla Espedal , Takehito Yokoyama , Jacob Linder

We demonstrate that the hybrid structures consisting of a superconducting layer with an adjacent spin-textured ferromagnet demonstrate the variety of equilibrium magnetoelectric effects originating from coupling between the conduction…

Superconductivity · Physics 2019-06-18 D. S. Rabinovich , I. V. Bobkova , A. M. Bobkov , M. A. Silaev

The Meissner effect for superconductors in spacetimes with torsion is revisited. Two new physical interpretations are presented. The first considers the Landau-Ginzburg theory yields a new symmetry-breaking vacuum depending on torsion. In…

Condensed Matter · Physics 2016-08-31 L. C. Garcia de Andrade

When holes are doped into an antiferromagnetic insulator they form a slowly fluctuating array of ``topological defects'' (metallic stripes) in which the motion of the holes exhibits a self-organized quasi one-dimensional electronic…

Strongly Correlated Electrons · Physics 2016-08-31 V. J. Emery , S. A. Kivelson , O. Zachar

In Einstein-Maxwell theory, magnetic flux lines are `expelled' from a black hole as extremality is approached, in the sense that the component of the field strength normal to the horizon goes to zero. Thus, extremal black holes are found to…

High Energy Physics - Theory · Physics 2009-10-07 A. Chamblin , R. Emparan , G. W. Gibbons

We study spin-polarized quasiparticle transport in a mesoscopic superconductor with a spin- splitting field in the presence of co-flowing supercurrent. In such a system, the nonequilibrium state is characterized by charge, spin, energy and…

Superconductivity · Physics 2018-08-01 Faluke Aikebaier , Mihail A. Silaev , T. T. Heikkilä

The search for superconducting systems exhibiting nonreciprocal transport and, specifically, the diode effect, has proliferated in recent years. This trend encompasses a wide variety of systems, including planar hybrid structures,…

Superconductivity · Physics 2024-02-28 Tim Kokkeler , Ilya Tokatly , Sebastian Bergeret

We expand the classical phase-space distribution function to incorporate couplings between spin and electromagnetic fields. This extension has led to the derivation of modified constitutive relations for the charge current, energy-momentum…

High Energy Physics - Phenomenology · Physics 2025-02-18 Rajeev Singh , Masoud Shokri , S. M. A. Tabatabaee

The studies of spin phenomena in semiconductor low dimensional systems have grown into the rapidly developing area of the condensed matter physics: spintronics. The most urgent problems in this area, both fundamental and applied, are the…

Mesoscale and Nanoscale Physics · Physics 2012-01-04 M. M. Glazov

We formulate a relativistic hydrodynamic theory for fluids with spin and intrinsic dilation charges. Using an entropy-current analysis, we derive constitutive relations featuring a bulk viscosity and a dilation conductivity governing the…

High Energy Physics - Theory · Physics 2026-03-19 Zhong-Hua Zhang , Xi-Hu Lv , Xu-Guang Huang

The recently-proposed coupling between the angular momentum density and magnetic moment [A. Raeliarijaona et al, Phys. Rev. Lett. 110, 137205 (2013)] is shown here to result in the prediction of (i) novel spin currents generated by an…

Materials Science · Physics 2015-06-19 Satadeep Bhattacharjee , Surendra Singh , Dawei Wang , Michel Viret , Laurent Bellaiche

Exact analytic solutions are presented for the magnetic moment and screening currents in the Meissner state of superconductor strips with rectangular cross section in a perpendicular magnetic field and/or with transport current. The…

Superconductivity · Physics 2009-10-31 Ernst Helmut Brandt , Grigorii P. Mikitik

Theoretical calculations predict the dissipationless circulating current induced by a spin defect in a two-dimensional electron gas with spin-orbit coupling. The shape and spatial extent of these dissipationless circulating currents depend…

Mesoscale and Nanoscale Physics · Physics 2021-11-15 Adonai R. da Cruz , Michael E. Flatté

Altermagnets exhibit momentum-dependent spin splitting despite having zero net magnetization. This enables a spin-splitter effect in which an external electric field generates transverse spin currents by separating oppositely polarized…

Mesoscale and Nanoscale Physics · Physics 2026-02-27 Sanjay Sarkar , Sayan Sarkar , Amit Agarwal