A self-consistent theory of rotational diffusion

Abstract

The effect of long range Coulomb and dipolar forces on the collective tumbling of rigid linear dipoles is considered. It is shown that the Debye relaxation times are modified by the presence of these long range forces in important ways. Explicit expressions for these relaxation times are derived for polar and electrolyte solutions. It is shwon that for dense solutions there are significant deviations from the Debye semicircle in the Cole−Cole plot.