This article is cited in 2 papers

Magnetic excitations in an anharmonic ferromagnetic crystal

F. R. Vukailovich, H. Konwent, N. M. Plakida


Abstract: An investigation is made of the spectrum of magnetic excitations in an anharmonic ferromagnet in the framework of the Heisenberg model with allowance for the spin-phonon interaction of all orders in the displacements of the atoms. An exact representation is obtained for the mass operator of the two-time Green's function of the transverse spin components and an approximate expression for it is considered in the second order in the renormalized spinphonon and spin-spin interactions.

Received: 17.05.1973

 English version: Theoretical and Mathematical Physics, 1974, 19:1, 391–397