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Polarization, denoting the precession direction with respect to the background magnetization, is an intrinsic degree of freedom of spin wave. Using magnetic textures to control the spin wave polarization is fundamental and indispensable…

Mesoscale and Nanoscale Physics · Physics 2021-11-10 Feiyang Ye , Jin Lan

We predict that when an alternating voltage is applied to a semiconducting system with inhomogeneous electron density in the direction perpendicular to main current flow, the spin Hall effect results in a transverse voltage containing a…

Mesoscale and Nanoscale Physics · Physics 2009-11-21 Yu. V. Pershin , M. Di Ventra

Spin wave, the collective excitation of magnetic order, is one of the fundamental angular momentum carriers in magnetic systems. Understanding the spin wave propagation in magnetic textures lies in the heart of developing pure magnetic…

Materials Science · Physics 2021-06-09 Jin Lan , Weichao Yu , Jiang Xiao

We analyze the dynamics of a domain wall in an easy-axis antiferromagnet driven by circularly polarized magnons. Magnons pass through a stationary domain wall without reflection and thus exert no force on it. However, they reverse their…

Strongly Correlated Electrons · Physics 2014-09-10 Se Kwon Kim , Yaroslav Tserkovnyak , Oleg Tchernyshyov

We propose and analyze a spin wave amplifier aimed to enhance the amplitude of the propagating spin wave via the magnetoelectric effect. The amplifier is a two-layer multiferroic structure, which comprises piezoelectric and ferromagnetic…

Other Condensed Matter · Physics 2015-05-13 Alexander Khitun , Dmitri E. Nikonov , Kang L. Wang

Traveling spin waves in magnonic waveguides undergo severe attenuation, which tends to result in a finite propagation length of spin waves, even in magnetic materials with the accessible lowest damping constant, heavily restricting the…

Mesoscale and Nanoscale Physics · Physics 2022-02-11 Xiangjun Xing , T. Wang , Yan Zhou

We consider long and narrow spin valves composed of a first magnetic layer with a single domain wall (DW), a normal metal spacer and a second magnetic layer that is a planar or a perpendicular polarizer. For these structures, we study…

Materials Science · Physics 2009-11-13 A. V. Khvalkovskiy , K. A. Zvezdin , Ya. V. Gorbunov , V. Cros , J. Grollier , A. K. Zvezdin

The frequency difference between two oppositely propagating spin waves can be used to probe several interesting magnetic properties, such as the Dzyaloshinkii-Moriya interaction (DMI). Propagating spin wave spectroscopy is a technique that…

Domain wall propagation in cylindrical nanowires with modulations of diameter is a key phenomenon to design physics-oriented devices, or a disruptive three-dimensional magnetic memory. This chapter presents a combination of analytical…

Mesoscale and Nanoscale Physics · Physics 2022-06-16 A. De Riz , B. Trapp , J. A. Fernandez-Roldan , Ch. Thirion , J. -Ch. Toussaint , O. Fruchart , D. Gusakova

We perform real-space imaging of propagating magnetic domains in the fractional quantum Hall system using spin-sensitive photoluminescence microscopy. The propagation is continuous and proceeds in the direction of the conventional current,…

Mesoscale and Nanoscale Physics · Physics 2016-12-21 John N. Moore , Junichiro Hayakawa , Takaaki Mano , Takeshi Noda , Go Yusa

We theoretically propose a nonlinear spin-wave Doppler effect, in which the time-dependent motion of a magnetic energy boundary acts as an active frequency modulator, directly converting boundary-induced phase dynamics into instantaneous…

Applied Physics · Physics 2026-05-22 Jinchen Hou , Shaojie Hu , Long You

Confined spin-wave modes are a promising object for studying nonlinear effects and future quantum technologies. Here, using micromagnetic simulations, we use a microwave magnetic field from a coplanar waveguide (CPW) to pump a standing…

Mesoscale and Nanoscale Physics · Physics 2023-11-27 Nikhil Kumar , Paweł Gruszecki , Mateusz Gołębiewski , Jarosław W. Kłos , Maciej Krawczyk

We theoretically investigate the transfer of angular momentum between a spin superfluid and a domain wall in an exchange coupled easy-axis and easy-plane magnetic insulator system. A domain wall in the easy-axis magnet absorbs spin angular…

Mesoscale and Nanoscale Physics · Physics 2017-03-08 Pramey Upadhyaya , Se Kwon Kim , Yaroslav Tserkovnyak

We theoretically investigate dynamics of antiferromagnetic domain walls driven by spin-orbit torques in antiferromagnet/heavy metal bilayers. We show that spin-orbit torques drive antiferromagnetic domain walls much faster than…

Materials Science · Physics 2016-08-24 Takayuki Shiino , Se-Hyeok Oh , Paul M. Haney , Seo-Won Lee , Gyungchoon Go , Byong-Guk Park , Kyung-Jin Lee

We report an analytical theory of linear emission of exchange spin waves from a Bloch domain wall, excited by a uniform microwave magnetic field. The problem is reduced to a one-dimensional Schr\"odinger-like equation with a P\"oschl-Teller…

Materials Science · Physics 2017-08-16 N. J. Whitehead , S. A. R. Horsley , T. G. Philbin , A. N. Kuchko , V. V. Kruglyak

We report experimental observation of the refraction and re ection of propagating magnetostatic spin waves crossing a 90-degree domain wall (DW) in terms of time-resolved magneto-optical imaging. Due to the magnetization rotation across the…

Other Condensed Matter · Physics 2020-04-22 Tomosato Hioki , Rei Tsuboi , Tom. H. Johansen , Yusuke Hashimoto , Eiji Saitoh

The magnetization dynamics induced by standing elastic waves excited in a thin ferromagnetic film is described with the aid of micromagnetic simulations taking into account the magnetoelastic coupling between spins and lattice strains. The…

Mesoscale and Nanoscale Physics · Physics 2016-11-10 A. V. Azovtsev , N. A. Pertsev

Coherent control of domain wall dynamics offers a route to fast manipulation of magnetic textures beyond thermally activated motion. We demonstrate resonant excitation of linear and nonlinear dynamics of a pinned domain wall in a…

Spin waves have been studied experimentally and by simulations in 1000 nm side equilateral triangular Permalloy dots in the Buckle state (B, with in-plane field along the triangle base) and the Y state (Y, with in-plane field perpendicular…

Mesoscale and Nanoscale Physics · Physics 2014-06-30 A. Lara , V. Metlushko , M. Garcia-Hernandez , F. G. Aliev

Spin waves propagating in magnetic materials exhibit nonlinear behavior at large amplitudes due to the competition between excitation and relaxation, providing an attractive platform for exploring nonlinear wave dynamics. In particular,…