THERMODYNAMICS AND EQUATIONS OF MOTION OF QUANTUM SPIN CRYSTALS

被引：0
|
作者：
ISAYEV, AA
KOVALEVSKY, MY
机构：
来源：
FIZIKA NIZKIKH TEMPERATUR | 1994年 / 20卷 / 11期
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中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
On the basis of the Hamiltonian approach nonlinear dynamic equations for quantum spin crystals are derived. The second law of thermodynamics is formulated. Expressions for flux densities of additive integrals of motion in terms of the thermodynamic potential density are found both for the cases of Halilean invariant and Halilean noninvariant systems. Stationary solutions corresponding to the spiral magnetic ordering are derived. In the dynamic equations account is taken of nonuniform magnetic field.
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页码：1125 / 1132
页数：8
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