Paper Title:

Extended Dynamic Spin-Fluctuation Theory with Application to Iron

Periodical Solid State Phenomena (Volume 190)
Main Theme Magnetism and Magnetic Materials V
Edited by N. Perov and V. Rodionova
Pages 55-58
DOI 10.4028/www.scientific.net/SSP.190.55
Citation B.I. Reser et al., 2012, Solid State Phenomena, 190, 55
Online since June, 2012
Authors B.I. Reser, N.B. Melnikov, V.I. Grebennikov
Keywords Finite-Temperature Magnetism, Phase Transition, Spin Fluctuations, Transition Metals
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Abstract

The problem of discontinuous phase transition in the dynamic spin-fluctuation theory is resolved by taking into account large anharmonic spin fluctuations and nonlocality of the mean Green function. The extended theory is applied to the calculation of magnetic properties of iron.