``Spin Waves and Magnetic Excitations'' describes both simple spin waves (magnons) and complicated excitations in magnetic systems. Wide classes of magnetic substances are taken into consideration such as ferro- and antiferromagnetic dielectrics and itinerant magnets which contain both d- and f-electrons. The chapters, presented in logical succession, contain detailed analytic experimental results from the last 15 years. The following subjects are covered: - various methods of magnetic excitation investigations such as neutron scattering from magnetic excitations, spin-wave excitation by radio-frequency radiation, light scattering from magnons and observation of magnetic excitations within the light-absorption spectrum; - oscillations of magnetic electron systems coupled with phonons, nuclear spin systems and localized impurity modes; - low-dimensional magnets, amorphous magnets and spin glasses.
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