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Interaction of configuration in spectral opacity calculationsfor stellar physics

Published online by Cambridge University Press:  13 February 2013

D. Gilles ,
S. Turck-Chièze ,
M. Busquet ,
F. Thais ,
G. Loisel ,
L. Piau ,
J.E. Ducret ,
T. Blenski ,
M. Poirier  and
C. Blancard
...Show all authors
D. Gilles
Affiliation:
SAp/IRFU/DSM, CE Saclay, 91191 Gif-sur-Yvette Cedex, France
S. Turck-Chièze
Affiliation:
SAp/IRFU/DSM, CE Saclay, 91191 Gif-sur-Yvette Cedex, France
M. Busquet
Affiliation:
ARTEP Ellicott City, MD 21042, USA
F. Thais
Affiliation:
CEA/IRAMIS/SPAM, 91191 Gif-sur-Yvette, France
G. Loisel
Affiliation:
Present address : Sandia National Laboratories, Albuquerque, NM 87185-1196, USA
L. Piau
Affiliation:
SAp/IRFU/DSM, CE Saclay, 91191 Gif-sur-Yvette Cedex, France
J.E. Ducret
Affiliation:
SAp/IRFU/DSM, CE Saclay, 91191 Gif-sur-Yvette Cedex, France
T. Blenski
Affiliation:
CEA/IRAMIS/SPAM, 91191 Gif-sur-Yvette, France
M. Poirier
Affiliation:
CEA/IRAMIS/SPAM, 91191 Gif-sur-Yvette, France
C. Blancard
Affiliation:
CEA/DAM/DIF, 91297 Arpajon, France
P. Cossé
Affiliation:
CEA/DAM/DIF, 91297 Arpajon, France
G. Faussurier
Affiliation:
CEA/DAM/DIF, 91297 Arpajon, France
F. Gilleron
Affiliation:
CEA/DAM/DIF, 91297 Arpajon, France
J.C. Pain
Affiliation:
CEA/DAM/DIF, 91297 Arpajon, France
J.A. Guzik
Affiliation:
Theoretical Division, LANL, Los Alamos, NM 87545, USA
D.P. Kilcrease
Affiliation:
Theoretical Division, LANL, Los Alamos, NM 87545, USA
N.H. Magee
Affiliation:
Theoretical Division, LANL, Los Alamos, NM 87545, USA
J. Harris
Affiliation:
AWE Reading Berkshire, RG7 4PR, UK
S. Bastiani-Ceccotti
Affiliation:
LULI, École Polytechnique, 91128 Palaiseau, France
F. Delahaye
Affiliation:
LERMA, UMR 8112, Observatoire de Paris, UPMC, CNRS, 5 place J. Janssen, 92195 Meudon, France
C.J. Zeippen
Affiliation:
LERMA, UMR 8112, Observatoire de Paris, UPMC, CNRS, 5 place J. Janssen, 92195 Meudon, France

Abstract

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We discuss the role of Configuration Interaction (CI) and the influence of the number ofconfigurations taken into account in the calculations of nickel and iron spectralopacities provided by the OPAC international collaboration, including statisticalapproaches (SCO, CASSANDRA, STA), detailed accounting (OPAS, LEDCOP, OP, HULLAC-v9) orhybrid method (SCO-RCG). Opacity calculations are presented for a temperature T of 27.3 eVand a density of 3.4 mg/cm3, conditions relevant for pulsating stellarenvelopes.

References

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