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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/708

Title: Proposal for a Standard Micromagnetic Problem: Spin Wave Dispersion in a Magnonic Waveguide
Authors: Venkat, G
Kumar, D
Franchin, M
Dmytriiev, O
Mruczkiewicz, M
Fangohr, H
Barman, A
Krawczyk, M
Prabhakar, A
Keywords: Computational micromagnetics
exchange dominated spin waves
spin wave dispersion
Issue Date: 2013
Publisher: IEEE Trans. Magn.
Citation: G. Venkat, D. Kumar, M. Franchin, O. Dmytriiev, M. Mruczkiewicz, H. Fangohr, A. Barman, M. Krawczyk, and A. Prabhakar, Proposal for a standard micromagnetic problem: spin wave dispersion in a magnonic waveguide, IEEE Trans. Magn., 2013, 49, 524.
Abstract: In this paper, we propose a standard micromagnetic problem, of a nanostripe of permalloy. We study the magnetization dynamics and describe methods of extracting features from simulations. Spin wave dispersion curves, relating frequency and wave vector, are obtained for wave propagation in different directions relative to the axis of the waveguide and the external applied field. Simulation results using both finite element (Nmag) and finite difference (OOMMF) methods are compared against analytic results, for different ranges of the wave vector.
URI: http://hdl.handle.net/123456789/708
Appears in Collections:2013

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