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Related papers: Orbital Rashba effect as a platform for robust orb…

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We study nonequilibrium generation of spin-dependent transport through a single-level quantum dot embedded in a ring with the Rashba spin-orbit coupling. We consider nonmagnetic systems, involving no magnetic field nor ferromagnetic leads.…

Mesoscale and Nanoscale Physics · Physics 2017-10-23 Nobuhiko Taniguchi , Kenta Isozaki

We investigate the existence of the pure spin ratchet effect in a dissipative quasi-one-dimensional system with Rashba spin-orbit interaction. The system is additionally placed into a transverse uniform stationary in-plane magnetic field.…

Mesoscale and Nanoscale Physics · Physics 2009-01-14 Sergey Smirnov , Dario Bercioux , Milena Grifoni , Klaus Richter

The orbital Hall effect can generate currents of angular momentum more efficiently than the spin Hall effect in most metals. However, so far, it has only been understood as a steady state phenomenon. In this theoretical study, the orbital…

Materials Science · Physics 2025-10-08 Oliver Busch , Franziska Ziolkowski , Börge Göbel , Ingrid Mertig , Jürgen Henk

The spin Edelstein effect has proven to be a promising phenomenon to generate spin polarization from a charge current in systems without inversion symmetry. In recent years, a current-induced orbital magnetization, called orbital Edelstein…

Mesoscale and Nanoscale Physics · Physics 2024-01-17 Sergio Leiva M. , Jürgen Henk , Ingrid Mertig , Annika Johansson

We present semiclassical and quantum mechanical results for the effects of a strong magnetic field in Quantum Wires in the presence of Rashba Spin Orbit coupling. Analytical and numerical results show how the perturbation acts in the…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 S. Bellucci , P. Onorato

We propose a photoexcitation scheme for pure spin current generation in graphene subject to a Rashba spinorbit coupling. Although excitation using circularly-polarized light does not result in optical orientation of spins in graphene unless…

Mesoscale and Nanoscale Physics · Physics 2014-07-29 Julien Rioux , Guido Burkard

Converse effect of spin photocurrent and current induced spin polarization are experimentally demonstrated in the same two-dimensional electron gas system with Rashba spin splitting. Their consistency with the strength of the Rashba…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 C. L. Yang , H. T. He , Lu Ding , L. J. Cui , Y. P. Zeng , J. N. Wang , W. K. Ge

Orbital angular momentum transport has emerged as a promising route for manipulating magnetic devices, yet its generation has largely relied on the conventional orbital Hall effect. Here, we show that ferro-rotational order enables the…

Materials Science · Physics 2026-02-12 Daegeun Jo , Peter M. Oppeneer

Spin current plays a central role in spintronics. In particular, finding more efficient ways to generate spin current has been an important issue and studied actively. For example, representative methods of spin current generation include…

Mesoscale and Nanoscale Physics · Physics 2017-06-28 Keita Hamamoto , Motohiko Ezawa , Kun Woo Kim , Takahiro Morimoto , Naoto Nagaosa

Rashba spin-orbit interaction leads to a number of electromagnetic cross-correlation effects by inducing a mixing of electric and magnetic degrees of freedom. In this study, we investigate the optical properties of a magnetic Rashba…

Mesoscale and Nanoscale Physics · Physics 2016-12-23 Hideo Kawaguchi , Gen Tatara

Recent discovery of orbital currents in several material platforms including light element metals has opened new possibilities for exploring novel transport phenomena and applications to spin-orbitronic devices. These orbital currents,…

Here, we report first principles calculations and analysis of laser-induced photocurrents at the surface of a prototype Rashba system. By referring to Keldysh non-equilibrium formalism combined with the Wannier interpolation scheme we…

Mesoscale and Nanoscale Physics · Physics 2022-10-28 T. Adamantopoulos , M. Merte , D. Go , F. Freimuth , S. Blügel , Y. Mokrousov

We predict the possibility to generate a finite stationary spin current by applying an unbiased ac driving to a quasi-one-dimensional asymmetric periodic structure with Rashba spin-orbit interaction and strong dissipation. We show that…

Mesoscale and Nanoscale Physics · Physics 2008-06-14 Sergey Smirnov , Dario Bercioux , Milena Grifoni , Klaus Richter

Recent studies using Terahertz Time-Domain Spectroscopy (THz-TDS) with spintronic emitters as a source have revealed distinct signatures of the Rashba effect. This effect, which arises from the breaking of inversion symmetry in…

We study the spin photogalvanic effect in two-dimensional electron system with structure inversion asymmetry by means of the solution of semiconductor optical Bloch equations. It is shown that a linearly polarized light may inject a pure…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Bin Zhou , Shun-Qing Shen

The ability to control the spin-orbit interaction of light in optical microresonators is of fundamental importance for future photonics. Organic microcrystals, due to their giant optical anisotropy, play a crucial role in spin-optics and…

Optics · Physics 2022-01-25 Jiahuan Ren , Qing Liao , Xuekai Ma , Stefan Schumacher , Jiannian Yao , Hongbing Fu

The emergence of an orbital angular momentum (OAM) response to a charge current holds promise for technological applications, allowing electrical control of magnetization dynamics. Often, the OAM current is invoked in explaining…

Mesoscale and Nanoscale Physics · Physics 2025-08-12 Niels Henrik Aase , Erik Wegner Hodt , Karl Bergson Hallberg , Asle Sudbø , Jacob Linder

Orbitronics is based on the use of orbit currents as information carriers. Up to now, orbit currents were created from the conversion of charge or spin currents, and inversely, they could be converted back to charge or spin currents. Here…

Mesoscale and Nanoscale Physics · Physics 2023-07-10 Yong Xu , Fan Zhang , Albert Fert , Henri-Yves Jaffres , Yongshan Liu , Renyou Xu , Yuhao Jiang , Houyi Cheng , Weisheng Zhao

Spin-orbit splitting of surface states is analyzed within and beyond the Rashba model using as examples the (111) surfaces of noble metals, Ag2Bi surface alloy, and topological insulator Bi2Se3. The ab initio analysis of relativistic…

Materials Science · Physics 2015-06-17 E. E. Krasovskii

Spin currents in a two dimensional electron gas with Rashba-type spin orbit coupling are derived from a spin connection. Using a functional integral method, we recover the result derived by Sinova {\em et al.}$[ \mathrm{Phys.Rev. Lett. 92,…

Materials Science · Physics 2007-05-23 A. Rebei O. Heinonen