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Mode degeneracy due to vortex core removal in magnetic disks

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

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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
Institutions:Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss
Dewey Decimal Classification:500 Science > 530 Physics
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Deposited On:25 May 2009 13:21
Last Modified:05 Aug 2009 13:57
Item ID:7920
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