Publication
Journal of Physics C: Solid State Physics
Paper

Solitons and the excitation spectrum of the classical Ising-Heisenberg ferromagnetic chain

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Abstract

Using the molecular-dynamics technique and nonlinear spin wave theory, the authors clarify the relevance of envelope solitons for dynamic form factors in the classical Ising-Heisenberg ferromagnetic chain. They find that the classical limit of magnon bound states and thus the envelope solitons gives rise to a central peak, a 'bound-state resonance' and the removal of unphysical singularities.

Date

24 Nov 2000

Publication

Journal of Physics C: Solid State Physics

Authors

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