The kinetics of gravitational galaxy clustering in the expanding universe using statistical mechanics approach.

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The kinetics of gravitational galaxy clustering in the expanding universe using statistical mechanics approach.

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Title: The kinetics of gravitational galaxy clustering in the expanding universe using statistical mechanics approach.
Author: Aasifa Nazir (Scholar); Farooq Ahmad (Guide)
Abstract: One of the most challenging problem in modern cosmology is the understanding of large scale structure of the universe. Our understanding of the universe has advanced significantly in recent years. New observations from space telescope and powerful computer simulations have been instrumental in enhancing our understanding of the universe. The observational discoveries of recent events like the distribution of matter in the universe have their own theoretical and mathematical treatment. The observed large scale distribution of galaxies indicate that the distribution appears to be uniform and indicate that the galaxies are connected in a web of sheets as revealed by extended red shift surveys (Geller and Huchra 1989, da Costa et al 1994, Landy et al 1996, Saunders et al 1991, Padilla 2004). The statistical studies reveal that distribution of galaxies have been formed through gravitational interaction and tendency of gravitational clustering continues on all scales. The oldest measures of distribution of galaxies have been observed by Herschel (1785). He imagined that observed distribution might be formed by clustering. Later, Hubble (1931) calculated their distribution function, the probability of finding N galaxies in a given size area on the sky and confined only at large areas with more than 25 galaxies. The distribution function would become an important but long neglected clue to understanding the dynamic clustering of galaxies. After that, Shapley (1932) started his own galaxy distribution function which was based on the extensive survey of about 100,000 galaxies and found some irregularities in distribution. The irregularities in apparent distribution are real and indicate actual grouping of external galaxies.
Description: Digital copy of Thesis.
URI: http://dspaces.uok.edu.in/jspui//handle/1/1661
Date: 2016-01-21


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