Abstract
The properties of iron at its ferromagnetic transition point are described by a type of Landau-theory developed for He II. The theory includes spatial fluctuations of the spontaneous magnetisation which lead to a logarithmic singularity of the specific heat nearT c in agreement with measurements byKraftmakher andRomashina.
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It is a pleasure to thank Professor G.Falk for helpful discussions. I thank further the Deutsche Forschungsgemeinschaft, the Canadian Association of Physisists and the Universität Karlsruhe for financial assistance in presenting this paper at the Banff summerschool and seminar on critical fluctuations.
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Stenschke, H. The ferromagnetic transition of iron according to a Landau-theory of phase transitions of second order. Z. Physik 216, 456–458 (1968). https://doi.org/10.1007/BF01390874
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DOI: https://doi.org/10.1007/BF01390874