29 November 2000 Applications of GGF method in analysis of ferromagnets
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Proceedings Volume 4086, Fourth International Conference on Thin Film Physics and Applications; (2000); doi: 10.1117/12.408341
Event: 4th International Conference on Thin Film Physics and Applications, 2000, Shanghai, China
Abstract
We apply the GGF (Generalized Green Function) method on a ferromagnet with magnetic impurities. In order to minimize the numerical calculations, we use Ising ferromagnet model. We are interested in temperatures around the phase transition in a ferromagnet, were Ising model gives real results which are often used in the literature. Investigations of a domain around the phase transition of a ferromagnet with impurities with the GGF method show that the phase transition is made on lower temperatures than in the case of ideal ferromagnet. In the point of phase transition, the derivative with respect to temperature of the ordering parameter is infinite as in ideal ferromagnet, bat this parameter does not vanish, it has a turning point.
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Bratislav S. Tosic, Ljiljana D. Maskovic, Radojica Maksimovic, Stevan Pilipovic, "Applications of GGF method in analysis of ferromagnets", Proc. SPIE 4086, Fourth International Conference on Thin Film Physics and Applications, (29 November 2000); doi: 10.1117/12.408341; https://doi.org/10.1117/12.408341
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KEYWORDS
Magnetism

Correlation function

Bosons

Fermions

Space operations

Biological research

Mathematical modeling

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