EPJ Web Conf.
Volume 185, 2018Moscow International Symposium on Magnetism (MISM 2017)
|Number of page(s)||3|
|Section||High Frequency Properties, Magnetization Dynamics, Magnetophotonics|
|Published online||04 July 2018|
Magnetostatic waves in a medium with damping
Pitirim Sorokin Syktyvkar State University, Oktyabrsky 55, Syktyvkar, 167001, Russia
2 Institute of Radio-Engineering and Electronics of RAS, Mokhovaya 11-7, Moscow, 125009, Russia
Published online: 4 July 2018
By means of consistent solution of the motion equation for magnetization the consideration of energy dissipation for magnetostatic surface waves propagating on in-plane magnetized ferrite plate is regarded. The complex character of the wave number caused by the dissipation is revealed. In this case the dispersion relations for the real and imaginary parts of the wave number are obtained. It is shown that dispersion curves are limited both by the wave number and frequency, and these restrictions tighten with an increase in the damping parameter. Also, it is predicted that there is a new set of branches of the backward dissipative waves. Both for forward and backward waves there is a critical value of the damping parameter and propagation angle, beyond which it does not exist.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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