Science Fair Project Encyclopedia
Electron magnetic dipole moment
Orbital magnetic dipole moment
Generally, for a hydrogen atomic electron in state Ψn,l,m where n,l and m are the principal, azimuthal and magnetic quantum numbers respectively, the total magnetic dipole moment due to orbital angular momentum is given by
Where μB is the Bohr magneton.
The z-component of the orbital magnetic dipole moment is given by
μz = μBm
Spin magnetic dipole moment
The total magnetic dipole moment resulting from the electron's intrinsic 
spin is
where g is the Lande g-factor.
Since spin magnitude allows only up or down spin states,
As the Lande g-factor is equal to 2 to within two decimal places, it is often a sufficient approximation to take
μ = μB and 
.
See also
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details