Ferromagnetism

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Ferromagnetism by Ciro Santilli 34 Updated 2024-12-15 +Created 1970-01-01
The wiki comments: en.wikipedia.org/w/index.php?title=Ferromagnetism&oldid=965600553#Explanation
The Bohr-van Leeuwen theorem, discovered in the 1910s, showed that classical physics theories are unable to account for any form of magnetism, including ferromagnetism. Magnetism is now regarded as a purely quantum mechanical effect. Ferromagnetism arises due to two effects from quantum mechanics: spin and the Pauli exclusion principle.
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Ferromagnetism by Wikipedia Bot 0 1970-01-01
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