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Magnetic vector potential

Magnetic dipole moment

{title2=$U=-\mathbf m\cdot\mathbf B$}

In an external field that varies slowly across a localized magnetic dipole,
$$
U=-\mathbf m\cdot\mathbf B,
\qquad
\mathbf F=\nabla(\mathbf m\cdot\mathbf B).
$$

The <magnetic dipole moment> determines the coupling to the external magnetic field.

Magnetic dipole potential energy

Past exam of the mathematics course of the University of Cambridge / 2018 / ib / Paper 1 / 16C / Solution

Magnetic dipole potential energy ( $U = - m \cdot B$ )

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Magnetic dipole potential energy (U=−m⋅B)

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Magnetic dipole potential energy ( $U = - m \cdot B$ )

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