Microwave response and spin waves in superconducting ferromagnets
V. Braude
DOI 10.1103/PhysRevB.74.054515 · Physical Review B
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Abstract
Excitation of spin waves is considered in a superconducting ferromagnetic slab with the equilibrium magnetization both perpendicular and parallel to the surface. The surface impedance is calculated, and its behavior near propagation thresholds is analyzed. The influence of nonzero magnetic induction at the surface is considered in various cases. The results provide a basis for the investigation of materials with coexisting superconductivity and magnetism by microwave response measurements.
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