Dipl.Phys. Igor Barsukov

Stoner criterion

The Stoner criterion describes the energy balance of the ferromagnetic order. An increase of the energy due to the (spin related) assymmetry of the dispersion relation on the one hand and a decrease of the energy due to the Weiss field on the other hand are to be compared. Note that the following calculation is done on the local scale - so e.g. dipolar interaction is not taken into account.


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