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Related papers: Meissner effect, Spin Meissner effect and charge e…

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In this paper, a microscopic theory of magnetic-interaction-induced pairing in superconductivity of metals was developed on the basis of four idealized assumptions: (1) only a small number of electrons are involved in superconductivity; (2)…

Superconductivity · Physics 2017-01-01 Jinhuan Jiang

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

Motivated by the iron-based superconductors, we develop a self-consistent electronic theory for the itinerant spin excitations in the regime of coexistence of the antiferromagnetic stripe order with wavevector ${\bf Q}_{1} = (\pi,0)$ and…

Superconductivity · Physics 2011-12-22 J. Knolle , I. Eremin , J. Schmalian , R. Moessner

The relativistic model with two types of planar fermions interacting with the Chern-Simons and Maxwell fields is applied to the study of anyon superconductor. It is demonstrated, that the Meissner effect can be realized in the case of the…

High Energy Physics - Theory · Physics 2007-05-23 M. Eliashvili , G. Tsitsishvili

The magnetic coupling between two concentric mesoscopic superconductors with non-zero thickness is studied using the nonlinear Ginzburg-Landau theory. We calculated the free energy, the expelled field, the total field profile, the…

Superconductivity · Physics 2007-05-23 B. J. Baelus , S. V. Yampolskii , F. M. Peeters

The spin-galvanic (inverse Edelstein) and inverse spin-Hall effects are calculated for a hybrid system that combines thin superconductor and Rashba-metal layers. These effects are produced by a nonequilibrium spin polarization which is…

Superconductivity · Physics 2017-03-17 A. G. Mal'shukov

A hybrid system which consists of a superconducting (SC) Pb film (100 nm thickness) containing $\sim$1 vol% single domain ferromagnetic (FM) Co particles of mean-size $\sim$4.5 nm reveal unusual magnetic properties: (i) a controlled…

Superconductivity · Physics 2015-05-13 Y. T. Xing , H. Micklitz , T. G. Rappoport , E. Baggio-Saitovitch

We predict a specific type of charge Hall effect in undoped ferromagnetic graphene that is generated by the spin Hall mechanism in the absence of an external magnetic field. The essential feature is the so-called spin chiral configuration…

Mesoscale and Nanoscale Physics · Physics 2013-09-27 Babak Zare Rameshti , Malek Zareyan

The Doppler shift of the quasiparticle dispersion by charge currents is responsible for the critical supercurrents in superconductors and instabilities of the magnetic ground state of metallic ferromagnets. Here we predict an analogous…

Mesoscale and Nanoscale Physics · Physics 2021-04-07 Tao Yu , Chen Wang , Michael A. Sentef , Gerrit E. W. Bauer

Electron-magnon coupling at the interface between a normal metal and a magnetically ordered insulator modifies the electrical conductivity of the normal metal, an effect known as spin-Hall magnetoresistance. It can also facilitate…

Mesoscale and Nanoscale Physics · Physics 2026-01-21 Oliver Franke , Duje Akrap , Piet W. Brouwer

A number of facts indicating the relevance of the Darwin magnetic interaction energy in the superconducting phase are pointed out. The magnetic interaction term derived by Darwin is the same as the, so called, Breit term in relativistic…

General Physics · Physics 2013-12-06 Hanno Essen , Miguel C. N. Fiolhais

Electrostatic control of the magnetization of a normal mesoscopic conductor is analyzed in a hybrid superconductor-normal-superconductor system. This effect stems from the interplay between the non-equilibrium condition in the normal region…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 F. Giazotto , F. Taddei , R. Fazio , F. Beltram

In Maxwellian electrodynamics, specific properties of the responses to external fields are included in constitutive equations. For noncentrosymmetric semiconductors, spin conductivity can be expressed in terms of the contribution of…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Emmanuel I. Rashba

Conventional superconductors are strong diamagnets that through the Meissner effect expel magnetic fields. It would therefore be surprising if a superconducting ground state would support spontaneous magnetics fields. Such time-reversal…

Superconductivity · Physics 2015-09-02 Mikael Håkansson , Tomas Löfwander , Mikael Fogelström

In metallic ferromagnets, an electric current is accompanied by a flux of angula r momentum, also called spin current. In multilayers, spatial variations of the spin current correspond to drive torques exerted on a magnetic layer. These…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 L. Berger

A permanent magnet levitating over a superconductor is found to spontaneously spin, overcoming resistance to air friction. We explain the physics behind this remarkable effect.

Superconductivity · Physics 2009-11-10 J. E. Hirsch , D. J. Hirsch

In the presence of spin-orbit interactions, the steady state established for spin distributions in an electric field is qualitatively different from the steady state for charge distributions. This is primarily because the steady state…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Dimitrie Culcer , Roland Winkler

Magnon drag effect induced by an applied electric field in ferromagnetic metals is theoretically studied by a microscopic calculation of the force on magnons arising from magnon emission/absorption and scattering due to driven electrons. It…

Mesoscale and Nanoscale Physics · Physics 2022-11-01 Hiroshi Funaki , Gen Tatara

It is shown that magnetic forces as the Lorentz force, exerted on electric currents, and the force {\mu}Div(B), exerted on electron spins at rest, account for both the transverse spin imbalance typical of spin Hall effect and the transverse…

Mesoscale and Nanoscale Physics · Physics 2020-03-18 Antonio Hernando , Fernando Gálvez , Francisco Guinea

The spin-triplet correlations in superconducting spin valve structures arising in the presence of noncollinear textures of magnetic moment are shown to enhance strongly the electromagnetic proximity effect, i. e. the long-range leakage of…

Superconductivity · Physics 2019-08-19 Zh. Devizorova , S. V. Mironov , A. S. Mel'nikov , A. Buzdin
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