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Soliton dynamics in the uniaxially anisotropic quantum ferromagnetic chain

R Balakrishnan, J A Holyst and A R Bishops

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The energy-momentum dispersion relation for a pulse-type nonlinear excitation of a uniaxially anisotropic quantum ferromagnetic chain is derived using the spin-coherent representation and a continuum description. A physical interpretation is given for the spectrum obtained.


PACS

75.10.Jm Quantized spin models

75.30.Gw Magnetic anisotropy

75.10.Dg Crystal-field theory and spin Hamiltonians

Subjects

Condensed matter: electrical, magnetic and optical

Dates

Issue 7 (19 February 1990)



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