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What is meant by spin temperature in the context of ultrafast demagnetization's three-temperature model?
Ultrafast demagnetization and associated fields often refer to the three-temperature model introduced by Beaurepaire. As the abstract says:
The relaxation processes of electrons and spins systems ...
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Does the electron charge rotate faster than its mass?
The electron has a g-factor given by $g/2 = 1 + \alpha / 2\pi$ .
Does the expression really mean that the charge of the electron rotates faster than its mass - if they have the same distribution?
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