Condensed Matter Physics, 1996, No 8, p. 57-67, English
On the base of the Hamiltonian approach, hydrodynamic equations for quantum spin crystal are obtained. Basic thermodynamic identity is formulated. Expressions for the flux densities of additive motion integrals in terms of thermodynamic potential density are found both for the cases of Galilean invariant and Galilean noninvariant systems. Stationary solutions corresponding to spiral magnetic ordering are received. Spectrum of propagating modes is studied.Comments: Refs. 12, Tabs. 0, Figs. 0.
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