Multi-Magnon Scattering in the Ferromagnetic XXX-Model with Inhomogeneities
T. -D. Albert, R. Flume, K. Ruhlig
Abstract
We determine the transition amplitude for multi-magnon scattering induced through an inhomogeneous distribution of the coupling constant in the ferromagnetic XXX-model. The two and three particle amplitudes are explicitely calculated at small momenta. This suggests a rather plausible conjecture also for a formula of the general n-particle amplitude.
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