LLBar phenomenological relaxation equation

Phenomenological description of the nonlocal magnetization relaxation in magnonics, spintronics, and domain-wall dynamics.

Weiwei Wang, Mykola Dvornik, Marc-Antonio Bisotti, Dmitri Chernyshenko, Marijan Beg, Maximilian Albert, Arne Vansteenkiste, Bartel V. Waeyenberge, Andriy N. Kuchko, Volodymyr V. Kruglyak, and Hans Fangohr

Phys. Rev. B 92, 054430 (2015)

The spin-wave-amplitude decay along the rod, for a spin wave excited locally by applying a microwave H=H0sin(2πft)ey of frequency f=30GHz and amplitude H0=1000Oe in the region 0≤x≤2nm. The data were fitted using Eq. (23) with β=0.02 and α=0.01.