COMPUTATIONAL METHOD OF GALAXY FORMATION IN STANDARD MODEL OF COSMOLOGY

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Published: Aug 28, 2017
DOI: https://doi.org/10.26483/ijarcs.v8i7.4341
Keywords:
galaxies, evolution, high redshift, large-scale structure of Universe, method, computational

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Jaswant Kumar Yadav
Central University of Haryana, INDIA
http://orcid.org/0000-0002-9543-683X

Abstract

We present a computational model to study the formation of galaxies in the Universe. The model is implemented in the form of semi-analytic prescriptions describing various physical processes on top of dark-matter-only N-body simulations. Merger trees of dark matter haloes are obtained from the simulations and baryonic physics is then implemented in each halo. This involves models of star formation and evolution, gas heating and cooling, supernova and AGN feedback, dynamical friction effects on satellite galaxies, and major and minor mergers of galaxies. The model is calibrated with observations. We establish the validity of the model via its comparison with the Luminosity function and Stellar Mass function of galaxy population observed with the help of large telescopes.

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Vol. 8 No. 7 (2017): July-August 2017
Section
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Author Biography

Jaswant Kumar Yadav, Central University of Haryana, INDIA

I am an Assistant Professor in the Physics department working at central university of Haryana.

References

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