Geodesic
A discrete variant of the Landau--Lifshitz equation
Zapiski Nauchnykh Seminarov POMI, Questions of quantum field theory and statistical physics. Part 5, Tome 145 (1985), pp. 62-71

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A lattice version of the Landau–Lifshitz equation in the theory of ferromagnets is considered by means of the inverse scattering problem method. Action-angle variables are constructed and the energy spectrum of the theory is described. She “dressing up” procedure is used to obtain the simplest soliton solution. Bibl. – 8. 
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     author = {A. Yu. Volkov},
     title = {A discrete variant of the {Landau--Lifshitz} equation},
     journal = {Zapiski Nauchnykh Seminarov POMI},
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     volume = {145},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1985_145_a4/}
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A. Yu. Volkov. A discrete variant of the Landau--Lifshitz equation. Zapiski Nauchnykh Seminarov POMI, Questions of quantum field theory and statistical physics. Part 5, Tome 145 (1985), pp. 62-71. http://geodesic.mathdoc.fr/item/ZNSL_1985_145_a4/