Topic summary
Spin Waves
Extracted from the Wikipedia article Spin wave.
Experimental observation
Spin waves are observed through several experimental methods: inelastic neutron scattering, inelastic light scattering (Brillouin scattering, Raman scattering and inelastic X-ray scattering), time-resolved magneto-optic Kerr effect (MOKE), inelastic electron scattering (spin-resolved electron energy loss spectroscopy), and spin-wave resonance (ferromagnetic resonance).