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The Mass Function of Cosmic Structures

Published online by Cambridge University Press:  25 May 2016

E. Audit ,
R. Teyssier  and
J.-M. Alimi
E. Audit
Affiliation:
DAEC, Observatoire de Paris-Meudon, 92195 Meudon Cedex, France
R. Teyssier
Affiliation:
DAEC, Observatoire de Paris-Meudon, 92195 Meudon Cedex, France
J.-M. Alimi
Affiliation:
DAEC, Observatoire de Paris-Meudon, 92195 Meudon Cedex, France

Extract

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We have investigated some modifications to the Press & Schechter (PS) (1974) prescription resulting from shear and tidal effects (Audit & al. 1997a). These modifications rely on more realistic treatments of the collapse process than the standard approach based on the spherical model.

Type
IV. Structure Formation and Dark Matter
Information
Symposium - International Astronomical Union , Volume 183: Cosmological Parameters and the Evolution of the Universe , 1999 , pp. 242
Copyright
Copyright © Kluwer 1999 

References

Audit, E. & Alimi, J-M., 1996, “Gravitational Lagrangian Dynamics of cold matter using the deformation tensor.”, A&A, 315, 11 Google Scholar
Audit, E., Teyssier, R. & Alimi, J-M., 1997a, “Non-linear dynamics and the mass function of cosmic structures: I. Analytical results”, A&A, 325, 439 Google Scholar
Audit, E., Teyssier, R. & Alimi, J-M., 1997b, “Non-linear dynamics and the mass function of cosmic structures: I. Numerical results” A&A, submitted Google Scholar
Press, W.H. & Schechter, P., 1974, “Formation of Galaxies and cluster of galaxies by self-similar gravitational condensation”, ApJ, 188, 425 Google Scholar