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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|Institutions:||Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss|
|Subjects:||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|