High frequency modes in vortex-state nanomagnets.
The magnon mode excitation spectrum is obtained from a linearized set of Landau-Lifshitz equations for vortex ground state cylindrical nanomagnets in an external magnetic field. It is shown that there is a rich spectrum of doublet states, and the splitting can be amplified in an external magnetic field.
Ivanov
B A
BA
Institute of Magnetism, NASU, Kiev 03142, Ukraine.
Zaspel
C E
CE