A possible fast growth of adiabatic cosmological perturbations
Abstract
The key result of the standard galaxy formation theory is the expectation of a growth of the linear adiabatic perturbations proportional to (1 + Z)^1^ (Z is the redshift). It is shown that this expectation need not be correct on small scales; alternatively, a (1+Z)^2.2^ growth is found. From this fact it follows that a categorical rejection of the simplest theory of the galaxy formation  i.e. the theory based on adiabatic perturbations in a baryon dominated universe  is premature.
 Publication:

Astronomy and Astrophysics
 Pub Date:
 October 1993
 Bibcode:
 1993A&A...278....1M
 Keywords:

 Adiabatic Conditions;
 Cosmology;
 Galactic Evolution;
 Red Shift;
 Baryons;
 Dark Matter;
 Gravitational Fields;
 Perturbation;
 Astrophysics