This article is cited in 5 papers

Construction of the correlation functions of the Heisenberg ferromagnet in the ferromagnetic and paramagnetic regions

Yu. A. Tserkovnikov


Abstract: For the Heisenberg ferromagnet, a modified random phase approximation is proposed that takes into account the kinematic properties of the spin operators. Correlation functions of the transverse and longitudinal components of the spin are obtained which are valid at temperatures both above and below the Curie point.

Received: 25.12.1978

 English version: Theoretical and Mathematical Physics, 1979, 40:2, 726–738

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