Proceedings of the International Conference on Magnetism
J. Phys. Colloques 49 (1988) C8-89-C8-90
DOI: 10.1051/jphyscol:1988831
SPIN WAVE STIFFNESS CONSTANT OF IRON
R. Bechara Muniz1, J. d'Albuquerque e Castro1 et E. Z. da Silva21 Instituto de Fisica, Universidade Federal Fluminense, Niteroi, RJ - 24.020, Brazil
2 Instituto de Fisica, UNICAMP, Campinas, SP - 13.081, Brazil
Abstract
The spin wave stiffness constant D of BCC iron is calculated within the spin density functional theory and the local density approximation. The electronic structure is described by the linearized muffin-tin orbital method within the atomic sphere approximation. The result obtained is in excellent agreement with experiment.