Evidence for magnon bound-state excitations in the quantum chain system (C6H11N3)CuCl3
- 20 May 1984
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 17 (14) , 2595-2608
- https://doi.org/10.1088/0022-3719/17/14/016
Abstract
Ferromagnetic resonance measurements are presented on the quasi-one-dimensional S=1/2 ferromagnetic compound (C6H11NH3)CuCl3 (CHAC), indicating the existence of magnon bound-state resonances (MBR). In addition to the normal ferromagnetic resonances several extra modes were observed in the temperature region 1.2K1/2 ferromagnetic xxz and xyz models and a semiclassical model which shows the possibility of inducing transitions between envelope soliton states in ferromagnetic resonance experiments. The three models give qualitatively similar results for the low-lying excited states of the magnetic chains in CHAC. The experimental results can be described best by the S=1/2 ferromagnetic xyz model.Keywords
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