Orbital angular momentum quantum number
= Orbital angular momentum quantum number
{title2=$l$}
= Azimuthal quantum number
{synonym}
The nonnegative integer $l$ for which a <spherical harmonic> has squared <orbital angular momentum> $\hbar^2l(l+1)$. The angular part of a regular scalar <wavefunction> has $l=0,1,2,\ldots$ and <magnetic quantum number> $m=-l,\ldots,l$.