Abstract
The propagation of spin-wave excitations in the conical and spiral magnetic phases of holmium has been studied by neutron inelastic scattering techniques. The results are analysed in terms of an anisotropy parameter and the wave vector dependent exchange. It is proposed that the cone to spiral transition in holmium results from the instability of the spin-wave mode of wave vector equal to the characteristic spiral wave vector. Experimental evidence for this suggestion is presented
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Schedule a callMore From: Journal of physics. Condensed matter : an Institute of Physics journal
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