Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 322, Issue 5, Pages 530-535Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2009.10.010
Keywords
Nanomagnetism; Spin wave; Magnetic nanotube; Ferromagnetism; Domain wall; Vortex
Funding
- Proyecto de Iniciacion en investigacion FONDECYT [11070008, 11080246]
- Millennium Science Nucleus Basic and Applied Magnetism'' [P06-022-F]
- program Bicentenario en Ciencia y Tecnologia'' PBCT [PSD-031, ACT027]
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We investigate the spin wave spectra associated to a vortex domain wall confined within a ferromagnetic nanotube. Basing our study upon a simple model for the energy functional we obtain the dispersion relation, the density of states and dissipation induced life-times of the spin wave excitations in presence of a magnetic domain wall. Our aim is to capture the basics spin wave physics behind the geometrical confinement of nobel magnetic textures. (C) 2009 Elsevier B.V. All rights reserved.
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