Theoretical Calculations of Opacity for Non-Local-Thermodynamic-Equilibrium Plasmas

Chin. Phys. Lett.

2004, Vol. 21

Issue (10): 2005-2007 DOI:

Original Articles

Theoretical Calculations of Opacity for Non-Local-Thermodynamic-Equilibrium Plasmas

PANG Jin-Qiao;WU Ze-Qing;YAN Jun;HAN Guo-Xing

Institute of Applied Physics and Computational Mathematics, PO Box 8009-57, Beijing 100088

Cite this article:

PANG Jin-Qiao, WU Ze-Qing, YAN Jun et al 2004 Chin. Phys. Lett. 21 2005-2007

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Abstract A method is presented to calculate the spectral-resolved opacity for non-local-thermodynamic-equilibrium plasmas. With the present method, the configuration population is obtained by solving the rate equations within the framework of configuration-averaged approximation in which the cross sections are calculated based on the first-order perturbation theory. The transition properties are calculated by using the unresolved transition array model. As the illustration, the frequency-dependent opacities of Al and Au plasmas are calculated and compared with the simulation results of the super configuration collisional radiative code. General agreements are obtained and there are some discrepancies for opacity of high-Z elements.

Keywords: 52.35.Ra 52.25.Dg 32.30.Rj

Published: 01 October 2004

PACS:	52.35.Ra	(Plasma turbulence)
	52.25.Dg	(Plasma kinetic equations)
	32.30.Rj	(X-ray spectra)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2004/V21/I10/02005

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	PANG Jin-Qiao
	WU Ze-Qing
	YAN Jun
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