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Mode degeneracy due to vortex core removal in magnetic disks

Hoffmann, F. and Woltersdorf, Georg and Perzlmaier, K. and Slavin, A. N. and Tiberkevich, V. S. and Bischof, A. and Weiss, Dieter and Back, Christian (2007) Mode degeneracy due to vortex core removal in magnetic disks. Physical Review B 76 (1), 014416.

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Abstract

The mode spectrum of micrometer-sized ferromagnetic Permalloy disks, exhibiting a vortex ground state, is investigated by means of time-resolved scanning Kerr microscopy. The temporal evolution of the magnetization is probed after application of a fast in-plane field pulse. The lowest order azimuthal mode, a mode with only one diametric node, splits into a doublet as the disk diameter ...

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Item Type:Article
Date:July 2007
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.76.014416DOI
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Owner: Georg Woltersdorf
Deposited On:19 Jul 2010 13:28
Last Modified:13 Mar 2014 13:27
Item ID:14929
Owner Only: item control page

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