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Account of Atomic and Molecular Contributions in the Equation of‐State for a Weakly Non‐Ideal Hydrogen Plasmas
Author(s) -
Starostin A. N.,
Roerich V. C.
Publication year - 2010
Publication title -
contributions to plasma physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.531
H-Index - 47
eISSN - 1521-3986
pISSN - 0863-1042
DOI - 10.1002/ctpp.201010018
Subject(s) - physics , equation of state , atomic physics , plasma , ionization , hydrogen , ion , electron , coulomb , scattering , diffraction , ideal (ethics) , quantum mechanics , philosophy , epistemology
Convergent partition function for atomic and molecular bound states is derived for weakly non‐ideal hydrogen plasmas. Corrections due to charged‐neutral particles interactions are also described. These contributions have been realized in the model equation of state of hydrogen plasmas and the HEOS code. The physical model EOS also includes the Coulomb and diffraction corrections, contributions of the scattering states, electron and ion interactions, and the radiation pressure. The calculated dependences of the heat capacity, the ionization degree, and partial pressures are presented (© 2010 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)