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In this work, we explore the intriguing spin-momentum locking phenomenon within the Rashba states of antimony (Sb) films. By combining spin pumping with the flow of an external charge current, we reveal the topological properties of surface…

Mesoscale and Nanoscale Physics · Physics 2025-06-24 J. E. Abrão , E. Gomes da Silva , G. Rodrigues-Junior , J. B. S. Mendes , A. Azevedo

We investigate systematically how the interplay between Rashba spin-orbit interaction and Zeeman coupling affects the electron transport and the spin dynamics in InGaAs-based 2D electron gases. From the quantitative analysis of the…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 F. E. Meijer , A. F. Morpurgo , T. M. Klapwijk , T. Koga , J. Nitta

Electron transport properties in a triple-quantum-dot ring with three terminals are theoretically studied. By introducing local Rashba spin-orbit interaction on an individual quantum dot, we calculate the charge and spin currents in one…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Weijiang Gong , Yisong Zheng , Tianquan Lv

Magneto-transport properties of a two-dimensional electron gas in a chain of planar quantum rings are investigated under the Rashba spin-orbit interaction and a transverse homogeneous magnetic field. A modulation potential function models…

Mesoscale and Nanoscale Physics · Physics 2025-07-30 Armen Harutyunyan

In this article we study the spin and tunneling dynamics as a function of magnetic field in a one-dimensional GaAs double quantum dot with both the Dresselhaus and Rashba spin-orbit coupling. In particular we consider different spatial…

Mesoscale and Nanoscale Physics · Physics 2017-10-11 Madhav Singh , Pradeep K Jha , Aranya B Bhattacherjee

We consider a quasi one-dimensional configuration consisting of two small pieces of ferromagnetic material separated by a metallic one and contacted by two metallic leads. A spin-polarized current is injected from one lead. Our goal is to…

Mesoscale and Nanoscale Physics · Physics 2007-06-13 J. Peguiron , M. -S. Choi , C. Bruder

We investigate spin-to-charge conversion via the Edelstein effect in a 2D Rashba electron gas using the semiclassical Boltzmann approach. We analyze the magnetization arising from the direct Edelstein effect, taking into account an…

Mesoscale and Nanoscale Physics · Physics 2025-03-27 Irene Gaiardoni , Mattia Trama , Alfonso Maiellaro , Claudio Guarcello , Francesco Romeo , Roberta Citro

Based on spin-charge coupled drift-diffusion equations, which are derived from kinetic equations for the spin-density matrix in a rigorous manner, the electric-field-induced nonequilibrium spin polarization is treated for a two-dimensional…

Other Condensed Matter · Physics 2009-11-13 P. Kleinert , V. V. Bryksin

We theoretically study electrical responses of magnetization in Weyl semimetals. The Weyl semimetal is a new class of topological semimetals, possessing hedgehog type spin textures in momentum space. Because of this peculiar spin texture,…

Mesoscale and Nanoscale Physics · Physics 2021-12-07 Daichi Kurebayashi , Kentaro Nomura

The dynamics of a single spin embedded in the tunnel junction (quantum point contact) between ferromagnets is addressed. Using the Keldysh technique, we derive a quantum Langevin equation. As a consequence of the spin-polarization in the…

Mesoscale and Nanoscale Physics · Physics 2011-11-09 J. Fransson , Jian-Xin Zhu

We study the electrical transport properties of a two-dimensional electron gas with the Rashba spin-orbit interaction in presence of a constant perpendicular magnetic field $(B_0 \hat z)$ which is weakly modulated by ${\bf B_1} = B_1 \cos…

Mesoscale and Nanoscale Physics · Physics 2015-03-19 SK Firoz Islam , Tarun Kanti Ghosh

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

Spin textures of one or two electrons in a quantum dot with Rashba or Dresselhaus spin-orbit couplings reveal several intriguing properties. We show that even at the single-electron level spin vortices with different topological charges…

Mesoscale and Nanoscale Physics · Physics 2019-01-25 Wenchen Luo , Amin Naseri , Jesko Sirker , Tapash Chakraborty

How ferromagnetic phases emerge in itinerant systems is an outstanding problem in quantum magnetism. Here we consider a repulsive two-component Fermi gas confined in a two dimensional isotropic harmonic potential and subject to a large…

Quantum Gases · Physics 2016-04-13 Shang-Shun Zhang , Wu-Ming Liu , Han Pu

We study the formation of local moments in quantum dots arising in quasi-one dimensional electron wires due to localized spin-orbit (Rashba) interaction. Using an Anderson-like model to describe the occurrence of the magnetic moments in…

Strongly Correlated Electrons · Physics 2009-11-13 Mircea Crisan , David Sanchez , Rosa Lopez , Llorens Serra , Ioan Grosu

I formulate a theory of the inverse Faraday effect in impure two-dimensional metallic system with lifted spin degeneracy induced by Rashba spin-orbit coupling. Using the formalism of non-equilibrium quantum field theory, the static…

Strongly Correlated Electrons · Physics 2025-10-28 Maxim Dzero

We present a theory of magnetic response in a finite-size two-dimensional superconductors with Rashba spin-orbit coupling. The interplay between the latter and an in-plane Zeeman field leads on the one hand to an out-of-plane spin…

Superconductivity · Physics 2021-01-20 F. Sebastián Bergeret , Ilya V. Tokatly

Both magnetism and spin-orbit coupling in systems with broken inversion symmetry lift the spin degeneracy of electronic bands, but the consequences of interplay between these mechanisms remain poorly understood. Here, we show that ultrathin…

One-dimensional quantum rings with Rashba and Dresselhaus spin-orbit couplings are studied analytically and are in perfect agreement with the numerical results. The topological charge of the spin field defined by the winding number along…

Mesoscale and Nanoscale Physics · Physics 2019-11-06 Shenglin Peng , Wenchen Luo , Fangping Ouyang , Tapash Chakraborty

We show that the interaction between a superconducting order parameter and the magnetic moment of an atomic cluster in a two-dimensional s-wave superconductor with Rashba spin-orbit coupling generates magnetic anisotropy that can be…

Mesoscale and Nanoscale Physics · Physics 2017-10-24 Eugene M. Chudnovsky
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