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Related papers: Microscopic theory of spin Nernst effect

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In order to describe the recently observed effect of current induced magnetization reversal in magnetic nanostructures, the thermokinetic theory is applied to a metallic ferromagnet in contact with a reservoir of spin polarized conduction…

Materials Science · Physics 2009-10-31 J. -E. Wegrowe

A brief review is given on the spin Hall effect, where an external electric field induces a transverse spin current. It has been recognized over 30 years that such effect occurs due to impurities in the presence of spin-orbit coupling.…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Shuichi Murakami

We study the thermoelectric conductivities of a strongly correlated system in the presence of a magnetic field by the gauge/gravity duality. We consider a class of Einstein-Maxwell-Dilaton theories with axion fields imposing momentum…

High Energy Physics - Theory · Physics 2015-08-25 Keun-Young Kim , Kyung Kiu Kim , Yunseok Seo , Sang-Jin Sin

The transverse thermoelectric effect refers to the conversion of a temperature gradient into a transverse charge current, or vice versa, which appears in a conductor under a magnetic field or in a magnetic material with spontaneous…

Materials Science · Physics 2021-04-12 Ken-ichi Uchida , Weinan Zhou , Yuya Sakuraba

To mitigate climate change, our global society is harnessing direct (solar irradiation) and indirect (wind/water flow) sources of renewable electrical power generation. Emerging direct sources include current-producing thermal gradients in…

Mesoscale and Nanoscale Physics · Physics 2019-10-24 K. Katcko , E. Urbain , B. Taudul , F. Schleicher , J. Arabski , E. Beaurepaire , B. Vileno , D. Spor , W. Weber , D. Lacour , S. Boukari , M. Hehn , M. Alouani , J. Fransson , M. Bowen

Central focus of spintronics is concentrated on generation of pure spin current and associated spin torque. Pure spin current can be generated by spin Hall effect in heavy metals by passing charge current. By spin Seebeck effect pure spin…

Mesoscale and Nanoscale Physics · Physics 2018-11-16 Arnab Bose , Swapnil Bhuktare , Hanuman Singh , Venu Gopal Achanta , Ashwin Tulapurkar

In this work, we study the stochastic dynamics of micro-magnetics interacting with a spin-current torque. We extend the previously constructed stochastic Landau-Lifshitz equation to the case with spin-current torque, and verify the…

Statistical Mechanics · Physics 2024-08-06 Mingnan Ding , Jun Wu , Xiangjun Xing

We develop a time-dependent Ginzburg-Landau theory of the vortex spin Hall effect, i.e., a spin Hall effect that is driven by the motion of superconducting vortices. For the direct vortex spin Hall effect in which an input charge current…

Superconductivity · Physics 2024-05-08 Hiroto Adachi , Yusuke Kato , Jun-ichiro Ohe , Masanori Ichioka

We propose an intrinsic nonlinear spin Hall effect, which enables the generation of collinearly-polarized spin current in a large class of nonmagnetic materials with the corresponding linear response being symmetry-forbidden. This opens a…

Mesoscale and Nanoscale Physics · Physics 2024-07-26 Hui Wang , Huiying Liu , Xukun Feng , Jin Cao , Weikang Wu , Shen Lai , Weibo Gao , Cong Xiao , Shengyuan A. Yang

We investigate a spin-electricity conversion effect in a topological insulator/ferromagnet heterostructure. In the spin-momentum-locked surface state, an electric current generates nonequilibrium spin accumulation, which causes a spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2017-04-21 Nobuyuki Okuma , Kentaro Nomura

The thermodynamics of irreversible processes in continuous media predicts the existence of a Magnetic Nernst effect that results from a magnetic analog to the Seebeck effect in a ferromagnet and magnetophoresis occurring in a paramagnetic…

Mesoscale and Nanoscale Physics · Physics 2016-01-20 Sylvain D. Brechet , Jean-Philippe Ansermet

Current-induced spin-orbit torque (SOT) in normal metal/ferromagnet (NM/FM) bilayers bears great promise for technological applications, but the microscopic origin of purely interfacial SOTs in ultra-thin systems is not yet fully…

Mesoscale and Nanoscale Physics · Physics 2023-02-02 Alessandro Veneri , David T. S. Perkins , Aires Ferreira

Traditionally the Nernst and Ettingshausen effects in the vortex liquid are described in terms of the "transport entropy" of vortices, S_d. According to current theories, the main contribution to S_d is originated from the electromagnetic…

Superconductivity · Physics 2009-07-22 A. Sergeev , M. Yu. Reizer , V. Mitin

Spin-transfer is a typical spintronics effect that allows a ferromagnetic layer to be switched by spin-injection. Most of the experimental results about spin transfer are described on the basis of the Landau-Lifshitz-Gilbert equation of the…

Materials Science · Physics 2015-06-25 J. -E. Wegrowe , C. Ciornei , H. -J. Drouhin

We study the manifestation of the Nernst effect in the Corbino disk subjected to the normal external magnetic field and to the radial temperature gradient. The Corbino geometry offers a precious opportunity for the direct measurement of the…

Mesoscale and Nanoscale Physics · Physics 2020-01-30 A. V. Kavokin , B. L. Altshuler , S. G. Sharapov , P. S. Grigoryev , A. A. Varlamov

It is shown that a useful relativistic generalization of the conventional spin density for the case of moving electrons is the expectation value of the four-component Bargmann-Wigner polarization operator. An exact equation of motion for…

Materials Science · Physics 2007-05-23 A. Vernes , B. L. Gyorffy , P. Weinberger

Transverse thermoelectric devices produce electric fields perpendicular to an incident heat flux. Classically, this process is driven by the Nernst effect in bulk solids, wherein a magnetic field generates a Lorentz force on thermally…

Materials Science · Physics 2017-01-04 Stephen R. Boona , Koen Vandaele , Isabel N. Boona , David W. McComb , Joseph P. Heremans

Spin Hall effects are a collection of relativistic spin-orbit coupling phenomena in which electrical currents can generate transverse spin currents and vice versa. Although first observed only a decade ago, these effects are already…

Materials Science · Physics 2014-11-13 Jairo Sinova , Sergio O. Valenzuela , J. Wunderlich , C. H. Back , T. Jungwirth

We review the recently discovered spin Hall magnetoresistance (SMR) and related effects from a theoretical point of view. The SMR is observed in bilayers of a magnetic insulator and a metal, in which spin currents aregenerated in the normal…

Intrinsic spin currents are encountered in noncentrosymmetric crystals without any external electric fields; these currents are caused by spin-orbit interaction. In this paper, various theoretical aspects of this phenomenon in bulk…

Materials Science · Physics 2024-11-11 Ilja Turek
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