Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apjs...57..205s&link_type=abstract
Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 57, Feb. 1985, p. 205-239.
Astronomy and Astrophysics
Astrophysics
65
Big Bang Cosmology, Galactic Evolution, Universe, Adiabatic Conditions, Baryons, Neutrinos, Particle Motion, Scaling Laws
Scientific paper
Detailed, numerical hydrodynamical calculations are presented of the coupled growth of (baryon)-(collisionless particle) pancakes in a postrecombination Friedmann universe dominated by finite mass, stable, weakly interacting elementary particles such as neutrinos, gravitinos, photinos, or axions. The evolution of individual pancakes is calculated by numerically solving the hydrodynamical conservation equations for the baryonic fluid, together with the Poisson equation for the combined gravitational potential and the Vlasov equation for the collisionless particles, all in a homogeneous, isotropically expanding universe described by the Robertson-Walker metric. The effects of ionization, recombination, radiative and Compton cooling, and thermal conductivity are explicitly included. The results are analyzed in detail and compared with approximate, analytical solutions and scaling laws derived elsewhere.
Shapiro Paul R.
Struck-Marcell Curtis
No associations
LandOfFree
Pancakes and the formation of galaxies in a universe dominated by collisionless particles does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Pancakes and the formation of galaxies in a universe dominated by collisionless particles, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pancakes and the formation of galaxies in a universe dominated by collisionless particles will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1591276