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A simplified approach to calculate atomic partition functions in plasmas
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10.1063/1.4794286
/content/aip/journal/pop/20/3/10.1063/1.4794286
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/3/10.1063/1.4794286

Figures

Image of FIG. 1.
FIG. 1.

Partition function of the carbon ions as a function of temperature for different values of the ionization energy lowering . Curves are calculated using the three-group partition function, symbols are the reference data. 22

Image of FIG. 2.
FIG. 2.

Internal plus translational energy ( ) divided by RT of the carbon ions as a function of temperature for different values of the ionization energy lowering . Curves are calculated using the three-group model, symbols are the reference data. 22

Image of FIG. 3.
FIG. 3.

Internal plus translational specific heat ( ) divided by R of the carbon ions as a function of temperature for different values of the ionization energy lowering . Curves are calculated using the three-group model, symbols are the reference data. 22

Tables

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Table I.

Ground state terms of the C(I)-C(VI) ions.

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Table II.

Low-lying terms of the C(I)-C(IV) ions. The terms in bold have been used to construct the first excited lumped level of the three-level model.

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Table III.

Parameters of the ground and first excited lumped levels of the three-levels model for C(I)-C(VI) ions.

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Table IV.

Parameters needed for the calculation of the hydrogenlike statistical weight ( ) and energy ( ) of the second excited lumped level of the three-levels model for C(I)-C(VI) ions.

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Table V.

Parameters for the hydrogenlike lumped level of the two- and three-levels model for the C(I)-C(VI) ions.

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Table VI.

Maximum relative error of thermodynamic quantities as a function of for the two- and three-level model.

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Table VII.

Maximum relative error of thermodynamic quantities as a function of , using a reduced partition with independent lumped levels for each spectroscopic term in Table II and an higher hydrogenlike lumped level.

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/content/aip/journal/pop/20/3/10.1063/1.4794286
2013-03-15
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A simplified approach to calculate atomic partition functions in plasmas
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/3/10.1063/1.4794286
10.1063/1.4794286
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