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There has been considerable interest in exploiting the spin degrees of freedom of electrons for potential information storage and computing technologies. Topological insulators (TI), a class of quantum materials, have special gapless…

介观与纳米尺度物理 · 物理学 2016-11-28 Qi Song , Jian Mi , Dan Zhao , Tang Su , Wei Yuan , Wenyu Xing , Yangyang Chen , Tianyu Wang , Tao Wu , Xian Hui Chen , X. C. Xie , Chi Zhang , Jing Shi , Wei Han

The spin accumulation due to the spin current induced by the perpendicular temperature gradient (the spin Nernst effect) is studied in a two-dimensional electron system (2DES) with spin-orbit interaction by employing the Boltzmann equation.…

介观与纳米尺度物理 · 物理学 2013-12-02 Hiroshi Akera , Hidekatsu Suzuura

We evaluate the non-equilibrium spin polarization induced by an applied electric field for a tight-binding model of electron states at oxides interfaces in LAO/STO heterostructures. By a combination of analytic and numerical approaches we…

介观与纳米尺度物理 · 物理学 2018-08-29 Goetz Seibold , Sergio Caprara , Roberto Raimondi

Explicit analytical expressions for the drag and diffusion coefficients of a spherical particle attached to the interface between two immiscible fluids are constructed for the case of a small viscosity ratio between the fluid phases. The…

软凝聚态物质 · 物理学 2016-04-20 Aaron Dörr , Steffen Hardt

The third-rank tensor of the static spin Hall conductivity is investigated for two-dimensional (2D) topological insulators by electronic structure calculations. Its seeming quantization is numerically demonstrated for highly symmetric…

介观与纳米尺度物理 · 物理学 2020-01-01 Filipe Matusalem , Lars Matthes , Jürgen Furthmüller , Marcelo Marques , Lara K. Teles , Friedhelm Bechstedt

The quantum valley Hall effect (QVHE) has been observed in a variety of experimental setups, both quantum and classical. While extremely promising for applications, one should be reminded that QVHE is not an exact topological phenomenon and…

介观与纳米尺度物理 · 物理学 2018-10-29 Kai Qian , David J. Apigo , Camelia Prodan , Yafis Barlas , Emil Prodan

We generalize magnetoelectronic circuit theory to account for spin transfer to and from the atomic lattice via interfacial spin-orbit coupling. This enables a proper treatment of spin transport at interfaces between a ferromagnet and a…

介观与纳米尺度物理 · 物理学 2016-09-21 V. P. Amin , M. D. Stiles

After one decade of the intensive theoretical and experimental explorations, whether interfacial spin-orbit coupling (ISOC) at metallic magnetic interfaces can effectively generate a spin current has remained in dispute. Here, utilizing the…

介观与纳米尺度物理 · 物理学 2021-03-17 Lijun Zhu , Robert A. Buhrman

We predict the very large spin Hall effect in type-II superconductors which mechanism is drastically different from the previously known ones. We find that in the flux-flow regime the spin is transported by the spin-polarized Abrikosov…

超导电性 · 物理学 2019-04-12 Artjom Vargunin , Mikhail Silaev

In this work, we study the spin Hall effect and Rashba-Edelstein effect of a 2D Weyl fermion system in the clean limit using the Kubo formalism. Spin transport is solely due to the spin-torque current in this strongly spin-orbit coupled…

介观与纳米尺度物理 · 物理学 2018-08-15 T. Tzen Ong , Naoto Nagaosa

We derive rigorously the relativistic angular momentum conservation equation by means of quantum electrodynamics. The novel nonrelativistic spin current and torque in the spin-orbit coupling system, up to the order of $1/c^{4}$, are exactly…

强关联电子 · 物理学 2015-06-03 Yong-Ping Fu , Dong Wang , F. J. Huang , Y. D. Li , W. M. Liu

We propose a new scheme of spin filtering based on nanometric crossjunctions in the presence of Spin Orbit interaction, employing ballistic nanojunctions patterned in a two-dimensional electron gas. We demonstrate that the flow of a…

介观与纳米尺度物理 · 物理学 2009-11-13 S. Bellucci , P. Onorato

Functional oxides and hybrid structures with interfacial spin orbit coupling and the Rashba-Edelsterin effect (REE) are promising materials systems for thermal tolerance spintronic device applications. Here, we demonstrate efficient…

介观与纳米尺度物理 · 物理学 2025-05-15 Mi-Jin Jin , Guang Yang , Doo-Seung Um , Jacob Linder , Jason W. A. Robinson

Spin Hall effects are a collection of phenomena, resulting from spin-orbit coupling, in which an electrical current flowing through a sample can lead to spin transport in a perpendicular direction and spin accumulation at lateral…

介观与纳米尺度物理 · 物理学 2007-09-18 Hans-Andreas Engel , Emmanuel I. Rashba , Bertrand I. Halperin

Heavy metal/ferromagnet interfaces feature emergent spin-orbit effects absent in the bulk materials. Because of their inherent strong coupling between spin, charge and orbital degrees of freedom, such systems provide a platform for…

介观与纳米尺度物理 · 物理学 2020-12-29 Frederico J. Sousa , Gen Tatara , Aires Ferreira

The orbital Hall effect provides an alternative means to the spin Hall effect to convert a charge current into a flow of angular momentum. Recently, compelling signatures of orbital Hall effects have been identified in 3d transition metals.…

介观与纳米尺度物理 · 物理学 2022-07-14 Giacomo Sala , Pietro Gambardella

The Spin-Orbit Proximity Effect is the raise of Spin-Orbit Coupling at a layer near to the interface with a strong spin-orbit material. It has been seen in several system such as graphene and ferromagnetic layers. The control of the…

The quantum Hall effect is one of the most extensively studied topological effects in solid state physics. The transitions between different quantum Hall states exhibit critical phenomena described by universal critical exponents. Numerous…

无序系统与神经网络 · 物理学 2023-04-14 Keith Slevin , Tomi Ohtsuki

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…

材料科学 · 物理学 2014-11-13 Jairo Sinova , Sergio O. Valenzuela , J. Wunderlich , C. H. Back , T. Jungwirth

We consider an effective model for graphene with interface-induced spin-orbit coupling and calculate the quantum Hall effect in the low-energy limit. We perform a systematic analysis of the contribution of the different terms of the…

介观与纳米尺度物理 · 物理学 2018-02-14 Tarik P. Cysne , Jose H. Garcia , Alexandre R. Rocha , Tatiana G. Rappoport