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Reaction rates for dense nonideal alkali plasmas

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  • Bornath, Th.
  • Ohde, Th.
  • Schlanges, M.

Abstract

The quantum statistical theory of collisional rate coefficients of nonideal plasmas, developed in some recent papers for hydrogen, is applied to calculate the impact ionization and three-body recombination coefficients for the valence electron of the atoms in Li-, Na-, K-, Rb- and Cs-plasmas. The many-body effects are included by static screening in the quasiparticle energy shifts and in the effective potentials. Because the ionization of alkali atoms represents a multielectron problem, an effective two-body electron-ion potential is derived using the method of close coupling equations of quantum scattering theory. The latter is replaced by a suited two-parametric pseudopotential taking into account the shielding effects of the inner shell atomic electrons. Finally, numerical results are given for the ionization cross sections and the rate coefficients.

Suggested Citation

  • Bornath, Th. & Ohde, Th. & Schlanges, M., 1994. "Reaction rates for dense nonideal alkali plasmas," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 211(2), pages 344-358.
    • Handle: RePEc:eee:phsmap:v:211:y:1994:i:2:p:344-358
    DOI: 10.1016/0378-4371(94)00168-5
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    References listed on IDEAS

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    1. Kraeft, W.D. & Stolzmann, W., 1979. "Thermodynamic functions of Coulomb systems," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 97(2), pages 306-318.
    2. McKinney, H. H. & Greeley, Lester W., 1965. "Biological Characteristics of Barley Stripe-Mosaic Virus Strains and Their Evolution," Technical Bulletins 171238, United States Department of Agriculture, Economic Research Service.
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