Abstract
A new type excitation of localized magnons in the Ising-like spin system is reported. It was found that in a strongly anisotropic ferro- or antiferromagnetic crystal such as CoC122H2O, nonuniform magnetic resonances with the selection rule Δ m = ± 1, where m is the number of spins in the short range order spin cluster directed oppositely to the majority spins, can be excited. Examples of such a localized spin wave excitation observed in FeCl2 and CoCl22H2O is discussed using a model of the Ising spin system.
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Date, M. (1968). Spin-Cluster Resonance in the Ising Spin System. In: Wallis, R.F. (eds) Localized Excitations in Solids. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-6445-8_36
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DOI: https://doi.org/10.1007/978-1-4899-6445-8_36
Publisher Name: Springer, Boston, MA
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