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		| Paper: | 
		Cas A's Multiple Plasmas - Catching the Wave | 
	 
	
		| Volume: | 
		262, The High Energy Universe at Sharp Focus: Chandra Science | 
	 
	
		| Page: | 
		293 | 
	 
	
		| Authors: | 
		Rudnick, L. | 
	 
	
	
		| Abstract: | 
		In addition to its hot X-ray emitting gas, Cas A contains other plasmas that are important energetically, radiatively, and in terms of the diagnostics they provide for this dynamic young remnant. In this talk I will review the current state of our knowledge of these other components, with a focus on the relativistic plasma responsible for the radio emission. I will present a close look at the dynamics and spectral energy distribution, and how these help us understand relativistic particle acceleration and magnetic field amplification in the remnant. I will also discuss the expected and observed relationships between the various plasmas and how they can lead to a comprehensive picture of Cas A's evolution. | 
	 
	
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