Should Elliptical Galaxies Be Idealised as Collisionless Equilibria?
arXiv:astro-ph/0011302 · doi:10.1023/A:1021312815868
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.
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
References in corpus (6)
- Resonant Orbits in Triaxial Galaxies
- Perturbations of spherical stellar systems during fly-by encounters
- Phase space transport in cuspy triaxial potentials: Can they be used to construct self-consistent equilibria?
- Chaotic mixing in noisy Hamiltonian systems
- Probing a regular orbit with spectral dynamics
- Energy relaxation in galaxies induced by an external environment and/or incoherent internal pulsations