Cosmic energy equation and clustering of non-point mass system of galaxies

Details Cosmic energy equation and clustering of non-point mass system of galaxies Cosmic energy equation and clustering of non-point mass system of galaxies

May 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ap%26ss.333..241w&link_type=abstract

Astrophysics and Space Science, Volume 333, Issue 1, pp.241-246

Astronomy and Astrophysics

Astrophysics

1

Cosmology, Clustering, Galaxy, Theory

Scientific paper

Cosmic energy equation is an important equation for studying the gravitational galaxy clustering in the expanding universe. We derive the distribution function for fluctuations in particle number by using the cosmic energy equation for extended structures (galaxies with halos). From spatial distribution function, containing particle fluctuations, we derive the velocity distribution function to understand the influence of particle fluctuations on the velocities of galaxies.With the help of cosmic energy equation we try to find out the physical constraints for the application of quasi-equilibrium approximation.

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