Abstract
We now discuss a unified theory which interpolates between the two extremes, the weakly ferro- and antiferromagnetic limit and the local moment limit. Such a theory was first developed by using the StratonovichHubbard functional integral method within an adiabatic approximation for the spin fluctuations [7.1]. Some of the results were shown later to be derived from a more general point of view without using the functional integral method.
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References
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© 1985 Springer-Verlag Berlin Heidelberg
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Moriya, T. (1985). A Unified Theory and Its General Consequences. In: Spin Fluctuations in Itinerant Electron Magnetism. Springer Series in Solid-State Sciences, vol 56. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-82499-9_7
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DOI: https://doi.org/10.1007/978-3-642-82499-9_7
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