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Münster 1999 – scientific programme

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DY: Dynamik und Statistische Physik

DY 41: POSTER II

DY 41.40: Poster

Thursday, March 25, 1999, 09:30–13:00, Z

Dynamische Domänen in ferromagnetischen Filmen — •Katherine Mayes and Timm Plefka — Theoretische Festkörper Physik, Technische Universität Darmstadt

The spatiotemporal structure formation problem is investigated in the region far above the transverse ferromagnetic resonance instability. The investigations are based on the dissipative Landau-Lifshitz equation and have been performed for several models which take external fields, isotropic exchange fields, anisotropy fields and dipolar fields into consideration. As a comon feature, the numerical simulations for these models exhibit stationary domain structure in the rotating frame. Employing analytical methods, characteristic elements of this structures can be explained. Dynamical domains have also been found experimentally in film materials and the problems in relating experiment and theory are discussed.

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