<keywords content="diffusion rates, dimensionless units, hidden units, radian, relaxation rates, rotational correlation times, SI supplementary units, spherical harmonics" />
= SI Supplementary Units - The dimensionless and hidden radian unit =
This is also a follow on from the [https://mail.gna.org/public/relax-devel/2007-06/msg00012.html comprehensive unit analysis of Abragam's relaxation equations].
Keywords (for finding this post at a later date): diffusion rates,
dimensionless units, hidden units, radian, relaxation rates,
rotational correlation times, SI supplementary units, spherical
harmonics.