Evolution and Properties of the Intracluster Medium in the Presence of Cosmic Ray Sources

Details Evolution and Properties of the Intracluster Medium in the Presence of Cosmic Ray Sources Evolution and Properties of the Intracluster Medium in the Presence of Cosmic Ray Sources

Jul 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003icrc....5.2663r&link_type=abstract

Proceedings of the 28th International Cosmic Ray Conference. July 31-August 7, 2003. Trukuba, Japan. Under the auspices of the I

Physics

Scientific paper

There are lines of evidence that the intracluster medium is permeated by strong magnetic fields and filled with a large number of cosmic rays as the interstellar medium. Here we report the study of dynamical roles of such nonthermal components on the evolution and properties of the intracluster medium, fo cusing on cosmic rays. N-b o dy/hydro dynamic simulations for the large scale structure formation of the Universe have been performed, where cosmic rays were deposited from individual sources such as radio galaxies, and their dynamical effects were followed explicitly. The additional pressure due to the deposited cosmic rays slows down the growth of the large scale structure. It also reduces the temperature, mass, and luminosity of X-ray clusters/groups. The quantitative results are presented.

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