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		| Paper: | 
		Self-consistent Multilevel PRD | 
	 
	
		| Volume: | 
		519, Radiative Signatures from the Cosmos | 
	 
	
		| Page: | 
		39 | 
	 
	
		| Authors: | 
		Bommier, V. | 
	 
	
	
		| Abstract: | 
		After having recalled what are the physical components of frequency partial redistribution (PRD), this paper presents a new multilevel theoretical
 formalism based on non-markovian master equation theory for describing the atom-radiation interaction. As an application, this paper present final results
 of a modeling, based on this theory, of the second solar spectrum of the Na I D lines, which is the spectrum of the linear polarisation formed by scattering
 and observed close to the solar limb. | 
	 
	
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