Should Elliptical Galaxies Be Idealised as Collisionless Equilibria?
Astrophysics
2021-04-28 v2
Abstract
This talk summarises several different lines of argument suggesting that one should not expect cuspy nonaxisymmetric galaxies to exist as robust, long-lived collisionless equilibria, i.e., that such objects should not be idealised as time-independent solutions to the collisionless Boltzmann equation.
Cite
@article{arxiv.astro-ph/0011302,
title = {Should Elliptical Galaxies Be Idealised as Collisionless Equilibria?},
author = {Henry E. Kandrup},
journal= {arXiv preprint arXiv:astro-ph/0011302},
year = {2021}
}
Comments
an invited talk at: The Workshop on Observational Manifestations of Chaos in Astrophysical Objects, Sternberg Astronomical Institute, August 2000 16 pp, update version to appear in Space Science Reviews