Abstract
The long-standing problem of the effect of correlations on the ferromagnetism of transition metals is apparently nearing solution. The ferromagnetism of transition metal compounds, for instance doped manganites, poses a new question: is there some kind of orbital order coexisting with itinerant ferromagnetism? The ideas and techniques introduced by Gutzwiller should be of use again.
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Fazekas, P. Spin and Orbital Order in Itinerant Ferromagnets. Foundations of Physics 30, 1999–2009 (2000). https://doi.org/10.1023/A:1003724522132
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DOI: https://doi.org/10.1023/A:1003724522132