Mathematics – Logic
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21543630s&link_type=abstract
American Astronomical Society, AAS Meeting #215, #436.30; Bulletin of the American Astronomical Society, Vol. 42, p.389
Mathematics
Logic
Scientific paper
What is the efficiency of accelerating electrons at shock fronts? This is a fundamental plasma physics problem that is difficult to study in the laboratory. Fortunately, nature provides an abundance of astrophysical shockwaves. Radio relics, objects with a flat spectral shape usually located at the periphery of galaxy clusters, are thought to arise from shockwaves in the intracluster medium. These relics trace out the merger history of the galaxy cluster, and provide key information about the magnetic field strength and electron population. Here we study these features through the use of high resolution adaptive mesh refinement cosmological simulations with Enzo. In addition to their physical properties, we derive observationally motivated synthetic radio luminosity functions and radio luminosity-mass scaling relationships. We study these relations as a function of cosmic time and provide insight to their evolutionary behavior.
Burns O. Jr. J.
Hallman Eric J.
O'Shea Brian W.
Skillman Samuel W.
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