Atomic Partition Function

  • Mario CapitelliEmail author
  • Gianpiero Colonna
  • Antonio D’Angola
Part of the Springer Series on Atomic, Optical, and Plasma Physics book series (SSAOPP, volume 66)


In this chapter, the statistical thermodynamic concepts described in the previous chapter will be applied to atomic species and to their plasma mixtures. Emphasis will be given to the translational and internal contributions to partition function, to their derivatives as well as to thermodynamic properties of single species. The mixture properties are then analyzed after the introduction of a simplified Saha equation for describing the equilibrium composition of an ionized system. Hydrogen is considered as a case study and the problem of the cutoff of the atomic partition function is introduced leaving to Chap. 8 a more detailed description.


Partition Function Formation Energy Helmholtz Free Energy Logarithmic Derivative Cutoff Criterion 
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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  • Mario Capitelli
    • 1
    Email author
  • Gianpiero Colonna
    • 2
  • Antonio D’Angola
    • 3
  1. 1.Dipartimento di ChimicaUniversità di BariBariItaly
  2. 2.Istituto di Metodologie Inorganiche e dei Plasmi (IMIP) Consiglio Nazionale delle Ricerche (CNR)BariItaly
  3. 3.Dipartimento di Ingegneria e Fisica dell’Ambiente (DIFA)University of BasilicataPotenzaItaly

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