Planetary Ring Dynamics — The Streamline Formalism — 1. From Boltzmann Equation to Celestial Mechanics [EPA]

These 1992 lectures notes present a powerful formalism mostly developed in the 1980s by Borderies, Goldreich and Tremaine to address planetary ring dynamical issues. These notes make a special emphasis on ring microphysics, quantified with the help of the moments of the Boltzmann equation. They also focus on the standard self-gravity model of narrow ring rigid precession, and on the physics of linear and nonlinear density waves. These notes have been corrected but only very marginally extended and not updated.
They are provided both as an introduction to the streamline formalism and as a complement on some technical issues for my upcoming review (“Theory of Narrow rings and Sharp Edges”) that will cover the physics not addressed here along with more recent developments. This review will appear in the “Planetary Ring System” book (C. Murray and M. Tiscareno, eds.), to be published later on this year at Cambridge University Press.

Read this paper on arXiv…

P. Longaretti
Fri, 3 Jun 16

Comments: 106 pages, 26 figures, Lecture notes. Initially published in “Interrelations Between Physics and Dynamics for Minor Bodies in the Solar System”, D. Benest & C. Froeschl\’e, eds. Editions Frontieres, 1992. Unavailable in print