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Talk:Stoner criterion

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Sign error?

[edit]

Shouldn't the sign before the in

be the other way around? If we for example assume a fully polarized state with , then we get

with the total energy

.

In general we have

.

But that means that the polarization will always increase the total energy. Only a negative can lead to ferromagnetism.Jan Krieg (talk) 14:55, 9 April 2014 (UTC)[reply]

It would appear that the above problem with the article was fixed sometime in the past. So this is no longer an issue. 67.198.37.16 (talk) 17:09, 15 May 2024 (UTC)[reply]