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We have used time-resolved scanning Kerr microscopy (TRSKM) and micromagnetic simulations to demonstrate that, when driven by spatially uniform microwave field, the edges of patterned magnetic samples represent both efficient and highly…

Materials Science · Physics 2017-08-02 F. B. Mushenok , R. Dost , C. S. Davies , D. A. Allwood , B. J. Inkson , G. Hrkac , V. V. Kruglyak

We use the phase-resolved imaging to directly study the nonlinear modification of the wavelength of spin waves propagating in 100-nm thick, in-plane magnetized YIG waveguides. We show that, by using moderate microwave powers, one can…

Mesoscale and Nanoscale Physics · Physics 2022-03-09 S. R. Lake , B. Divinskiy , G. Schmidt , S. O. Demokritov , V. E. Demidov

Inelastic neutron scattering with high wave-vector resolution has characterized the propagation of transverse spin wave modes near the antiferromagnetic zone center in the metastable domain state of a random field Ising magnet. A…

Disordered Systems and Neural Networks · Physics 2009-11-07 R. L. Leheny , Y. S. Lee , G. Shirane , R. J. Birgeneau

The spin waves in single crystals of the layered van der Waals antiferromagnet CoPS$_3$ have been measured using inelastic neutron scattering. The data show four distinct spin wave branches with large ($\gtrsim 14$ meV) energy gaps at the…

Materials Science · Physics 2023-03-08 A. R. Wildes , B. Fåk , U. B. Hansen , M. Enderle , J. R. Stewart , L. Testa , H. M. Rønnow , C. Kim , Je-Geun Park

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,…

We observed spin-wave transmission through an air gap that works as a prohibited region. The spin waves were excited by circularly polarized pump pulses via the inverse Faraday effect, and their spatial propagation was detected through the…

I apply the method of characteristics to both bi-directional and uni-directional pulse propagation in dispersionless media containing nonlinearity of arbitrary order. The differing analytic predictions for the shocking distance quantify the…

Optics · Physics 2008-07-24 P. Kinsler

We theoretically and numerically investigate spin waves that occur in systems of classical magnetic dipoles that are arranged at the vertices of a regular polygon and interact solely via their magnetic fields. There are certain limiting…

Other Condensed Matter · Physics 2017-04-05 H. -J. Schmidt , C. Schröder , M. Luban

We use series expansion methods to calculate the dispersion relation of the one-magnon excitations for the spin-1/2 triangular-lattice nearest-neighbor Heisenberg antiferromagnet above a three-sublattice ordered ground state. Several…

Strongly Correlated Electrons · Physics 2009-11-11 Weihong Zheng , John O. Fjaerestad , Rajiv R. P. Singh , Ross H. McKenzie , Radu Coldea

The spin wave modes of cylindrical nanowires of moderate diameter-to-length ratio are investigated in this article. Based on three dimensional simulations and analytical calculations we determine the spatial structure of the modes. We show…

Materials Science · Physics 2011-11-17 Voicu O. Dolocan

Spin waves offer intriguing novel perspectives for computing and signal processing, since their damping can be lower than the Ohmic losses in conventional CMOS circuits. For controlling the spatial extent and propagation of spin waves on…

We calculate the dispersion relations of plasmonic waves propagating along a chain of metallic nanoparticles in the presence of both a static magnetic field ${\bf B}$ and a liquid crystalline host. The dispersion relations are obtained…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 N. A. Pike , D. Stroud

Oblique propagation of the spin-electron acoustic waves in degenerate magnetized plasmas is considered in terms of quantum kinetics with the separate spin evolution, where the spin-up electrons and the spin-down electrons are considered as…

Plasma Physics · Physics 2018-04-18 Pavel A. Andreev

In magnetic materials, skyrmions are nanoscale regions where the orientation of electron spin changes in a vortex-type manner. Here we show that spin-orbit coupling in a focused vector beam results in a skyrmion-like photonic spin…

Optics · Physics 2019-07-24 Luping Du , Aiping Yang , Anatoly V. Zayats , Xiaocong Yuan

In the developing field of magnonics,it is very important to achieve tailoring of spin wave propagation by both a proper combination of materials with different magnetic properties and their nanostructuring on the submicrometric scale. We…

Materials Science · Physics 2016-05-25 G. Gubbiotti , S. Tacchi , M. Madami , G. Carlotti , Z. Yang , J. Ding , A. O. Adeyeye , M. Kostylev

The dispersion relation of surface waves of a magnetic fluid in a magnetic field is studied experimentally. We verify the theoretically predicted existence of a non-monotonic dispersion relation. In particular, we demonstrate the existence…

patt-sol · Physics 2009-10-30 Thomas Mahr , Ingo Rehberg , Alexander Groisman

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 through a stripe domain structure and reservoir computing with their spin dynamics have been numerically studied with focusing on the relation between physical phenomena and computing capabilities. Our system utilizes…

Applied Physics · Physics 2021-09-22 Ryosho Nakane , Akira Hirose , Gouhei Tanaka

Spin-wave computing, a potential successor to CMOS-based technologies, relies on the efficient manipulation of spin waves for information processing. While basic logic devices like magnon transistors, gates, and adders have been…

Mesoscale and Nanoscale Physics · Physics 2023-11-29 Jan Klíma , Ondřej Wojewoda , Václav Roučka , Tomáš Molnár , Jakub Holobrádek , Michal Urbánek

We report broadband spectroscopy and numerical analysis by which we explore propagating spin waves in a magnetic bilayer consisting of a 23 nm thick permalloy film deposited on 130 nm thick $Y_{3}Fe_{5}O_{12}$. In the bilayer, we observe a…

Applied Physics · Physics 2019-04-03 Kyongmo An , Vinayak Bhat , Michal Mruczkiewicz , Carsten Dubs , Dirk Grundler