78 Magnetic Moment

The physical property of a particle that characterizes its strength as a microscopic magnet and determines its behavior in an external magnetic field, related to its spin.

definition [d] (Magnetic Moment) — Vector quantity representing the strength and orientation of a magnetic dipole, such as a current loop or spin. Ref: Arfken, Weber & Harris, Mathematical Methods for Physicists, 7th ed. (2013); Griffiths, Introduction to Electrodynamics (2024).