Geodesic
Spin-wave spectra and Green's functions in two-sublattice spiral magnets
Teoretičeskaâ i matematičeskaâ fizika, Tome 87 (1991) no. 2, pp. 274-282 Cet article a éte moissonné depuis la source Math-Net.Ru

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Bogolyubov's method of quasiaverages and the reduced-description hypothesis are used to consider the thermodynamics and kinetics of spiral magnets with two equivalent sublatticeso Expressions are obtained for the spin-wave spectra and Green's functions in the quasiparticle and “hydrodynamic” approximations. 
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M. Yu. Kovalevsky; A. A. Rozhkov. Spin-wave spectra and Green's functions in two-sublattice spiral magnets. Teoretičeskaâ i matematičeskaâ fizika, Tome 87 (1991) no. 2, pp. 274-282. http://geodesic.mathdoc.fr/item/TMF_1991_87_2_a8/

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