Accuracy of simplified methods for ion dynamics in Stark profile calculations

S. Alexiou; P. Sauvan; A. Poquérusse; E. Leboucher-Dalimier; R. W. Lee

doi:10.1103/PhysRevE.59.3499

Accuracy of simplified methods for ion dynamics in Stark profile calculations

S. Alexiou, P. Sauvan, A. Poquérusse, E. Leboucher-Dalimier, and R. W. Lee

Phys. Rev. E 59, 3499 – Published 1 March 1999

Abstract

To assess the accuracy of simplified methods for the treatment of ion dynamics in Stark-broadening theory, we have compared two such methods, the relaxation theory and model microfield method, against benchmark calculations for the CVI $H_{α}$ line. It is shown that both methods show poor agreement at low densities.

Received 6 April 1998

DOI:https://doi.org/10.1103/PhysRevE.59.3499

Authors & Affiliations

S. Alexiou, P. Sauvan, A. Poquérusse, and E. Leboucher-Dalimier

Physique Atomique dans les Plasmas Denses, Laboratoire pour L’Utilisation des Lasers Intenses (LULI), Unité Mixte No. 7605, CNRS–CEA–Ecole Polytechnique–Université Paris VI, 4 Place Jussieu, 75252 Paris Cedex 05, France
Ecole Polytechnique, 91128 Palaiseau, France

R. W. Lee^*

L-399, P.O. Box 808, Lawrence Livermore National Laboratory, Livermore, California 94550

^*Author to whom correspondence should be addressed.

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Vol. 59, Iss. 3 — March 1999

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Physical Review E

covering statistical, nonlinear, biological, and soft matter physics