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Excitations with negative dispersion in a spin vortex

Buess, Matthias and Knowles, T. and Höllinger, Rainer and Haug, Thomas and Krey, Uwe and Weiss, Dieter and Pescia, D. and Scheinfein, M. and Back, Christian (2005) Excitations with negative dispersion in a spin vortex. Physical Review B (PRB) 71, p. 104415.

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Abstract

Micron-sized ferromagnetic permalloy disks having an in-plane vortexlike configuration are excited by a fast-rise-time magnetic-field pulse perpendicular to the plane. The excited modes are imaged using time-resolved magneto-optic Kerr microscopy and Fourier transformation. Two types of modes are observed: modes with circular nodes and modes with diametric nodes. The frequency of the modes with ...

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Item Type:Article
Date:March 2005
Institutions:Physics > Institute of Experimental and Applied Physics > Chair Professor Back > Group Christian Back
Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss
Identification Number:
ValueType
10.1103/PhysRevB.71.104415DOI
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Owner: Webmaster Back
Deposited On:20 Mar 2007
Last Modified:13 Mar 2014 10:09
Item ID:1923
Owner Only: item control page
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