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We study the dynamical interplay between ferroelectricity and magnetism in a multiferroic with a helical magnetic order. We show that the dynamical exchange-striction induces a biquadratic interaction between the spins and transverse…

Strongly Correlated Electrons · Physics 2009-11-13 Chenglong Jia , Jamal Berakdar

Spin-orbit (SO) fields in a spin-polarized electron gas are studied by angle-resolved inelastic light scattering on a CdMnTe quantum well. We demonstrate a striking organization and enhancement of SO fields acting on the collective spin…

Mesoscale and Nanoscale Physics · Physics 2013-10-30 Florent Baboux , Florent Perez , Carsten A. Ullrich , Irene D'Amico , Grzegorz Karczewski , Tomasz Wojtowicz

In this work, we show that a gate electric field, applied in the base of the field-effect devices, leads to inducing spin-orbit interactions (Rashba and linear Dresselhauss) and confines the transport electrons in a two-dimensional electron…

Mesoscale and Nanoscale Physics · Physics 2012-07-03 J. L. Cardoso , H. Hernández-Saldaña

Basic questions on the nature of spin polarization in two terminal systems and the way in which decoherence breaks Time-Reversal Symmetry (TRS) are analyzed. We exactly solve several one-dimensional models of tunneling electrons and show…

Mesoscale and Nanoscale Physics · Physics 2023-04-04 S. Varela , M. Peralta , V. Mujica , B. Berche , E. Medina

Spin-orbit coupling with bosons gives rise to novel properties that are absent in usual bosonic systems. Under very general conditions, the conventional ground state wavefunctions of bosons are constrained by the "no-node" theorem to be…

Quantum Gases · Physics 2013-06-27 Xiangfa Zhou , Yi Li , Zi Cai , Congjun Wu

We introduce an integrable model of spin-polarized interacting electrons subject to a spin-conserving spin-orbit interaction. Using Bethe Ansatz and conformal field theory we calculate the exact large-time single-electron and density…

Strongly Correlated Electrons · Physics 2014-06-03 A. A. Zvyagin , H. Johannesson

Collective mode dynamics of the helical magnets coupled to electric polarization via spin-orbit interaction is studied theoretically. The soft modes associated with the ferroelectricity are not the transverse optical phonons, as expected…

Strongly Correlated Electrons · Physics 2007-05-23 Hosho Katsura , Alexander V. Balatsky , Naoto Nagaosa

The effect of radiation polarization attended with the motion of spinning charge in the magnetic field could be viewed through the classical theory of self-interaction. The quantum expression for the polarization time follows from the…

High Energy Physics - Theory · Physics 2007-05-23 S. L. Lebedev

We consider ballistic transport through a lateral, two-dimensional superlattice with experimentally realizable, sinusoidally oscillating Rashba-type spin-orbit interaction. The periodic structure of the rectangular lattice produces a…

Mesoscale and Nanoscale Physics · Physics 2015-02-23 Viktor Szaszkó-Bogár , F. M. Peeters , Péter Földi

The Ginzburg-Landau Hamiltonian for incommensurate frustrated classical spin systems is analyzed. The coupling to phonons through the Dzyaloshinskii-Moriya interaction and/or the four-spin exchange interaction of the Coulomb origin under…

Strongly Correlated Electrons · Physics 2009-11-13 Shigeki Onoda , Naoto Nagaosa

We report that spin supercurrents in magnetic superconductors and superconductor/ferromagnetic insulator bilayers can induce the Dzyaloshinskii-Moriya interaction which strength is proportional to the superconducting order parameter…

Superconductivity · Physics 2021-08-23 M. A. Silaev , D. S. Rabinovich , I. V. Bobkova

A systematic microscopic theory of magnetically induced ferroelectricity and lattice modulation is presented for all electron configurations of Mott-insulating transition-metal oxides. Various mechanisms of polarization are identified in…

Strongly Correlated Electrons · Physics 2009-11-13 Chenglong Jia , Shigeki Onoda , Naoto Nagaosa , Jung Hoon Han

The spin dynamics of electrons in chiral molecular systems remain a topic of intense interest, particularly regarding whether geometric chirality inherently induces spin polarization in current-carrying electrons. In this work, we employ ab…

The coexistence of Rashba and Dresselhaus spin-orbit interactions (SOIs) in semiconductor quantum wells leads to an anisotropic effective field coupled to carriers' spins. We demonstrate a gate-controlled anisotropy in Aharonov-Casher (AC)…

Mesoscale and Nanoscale Physics · Physics 2018-12-12 Fumiya Nagasawa , Andres A. Reynoso , José Pablo Baltanás , Diego Frustaglia , Henri Saarikoski , Junsaku Nitta

Electrical control of structural and physical properties is a long-sought, but elusive goal of contemporary science and technology. We demonstrate that a combination of strong spin-orbit interactions (SOI) and a canted antiferromagnetic…

Strongly Correlated Electrons · Physics 2018-01-08 G. Cao , J. Terzic , H. D. Zhao , H. Zheng , L. E. De Long , Peter S. Riseborough

Spin-dependent partial conductances are evaluated in a tight-binding description of electron transport in the presence of spin-orbit (SO) couplings, using transfer-matrix methods. As the magnitude of SO interactions increases, the…

Statistical Mechanics · Physics 2020-03-06 S. L. A. de Queiroz

We report on the experimental characterization of various types of spin-exchange interactions between two individual atoms, where pseudo-spin degrees of freedom are encoded in different Rydberg states. For the case of the direct…

In magnetic multilayer systems, a large spin-orbit coupling at the interface between heavy metals and ferromagnets can lead to intriguing phenomena such as the perpendicular magnetic anisotropy, the spin Hall effect, the Rashba effect, and…

Anisotropic magnetic exchange interactions lead to a surprisingly rich variety of the magnetic properties. Considering the spin orbit coupling (SOC) as perturbation, we extract the general expression of a bilinear spin Hamiltonian,…

Materials Science · Physics 2023-08-29 Di Wang , Xiangyan Bo , Feng Tang , Xiangang Wan

We study the scattering of an electron in a definite state of spin at an interface of an hybrid system with a Rashba spin-orbit coupling on one side. Out of the normal incidence the double refraction phenomenon appears, with one or two…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 V. Marigliano Ramaglia , V. Cataudella , G. De Filippis , C. A. Perroni , F. Ventriglia
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