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Results tagged with magnetic-moment
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user 206319
The magnetic moment of a magnet is a quantity that determines the force that the magnet can exert on electric currents and the torque that a magnetic field will exert on it. A loop of electric current, a bar magnet, an electron, a molecule, and a planet all have magnetic moments.
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Why $ \vec \mu$ is induced by $\vec B_{ext}$?
I have read that in the presence of an external magnetic field $\vec B_{ext}$ the magnetic moment induced on a paramagnetic ion is $\vec \mu=g \mu_B \vec J$ where $g$ is the Landé g-factor.
Why is $\v …
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Quantum physics notation in statistical physics
Studying statistical physics, in particular studying paramagnets and ferromagnets, I found some quantum mechanical formulas that I don't understand how to interpret. I don't understand if they are equ …
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Magnetization work, $\delta W=BdM$
the coupling energy, between a magnetic dipole, and a magnetic field, is: $\epsilon=-\mu B$. Defining the magnetization of system made by $N$ dipoles as: $M=N \langle \mu \rangle$, the coupling energy …
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