Electric field effects on dielectronic recombination in a collisional-radiative model

Details Electric field effects on dielectronic recombination in a collisional-radiative model Electric field effects on dielectronic recombination in a collisional-radiative model

Apr 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...407l..91b&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 407, no. 2, p. L91-L93.

Astronomy and Astrophysics

Astrophysics

17

Carbon, Electric Field Strength, Hydrogen Plasma, Positive Ions, Radiative Recombination, Resonance Lines, Ionic Collisions, Quantum Numbers

Scientific paper

We have carried out quantal calculations for the dielectronic recombination of C(3+) in an electric field. We have used these results in a collisional-radiative model for a carbon seeded hydrogen plasma. We find that the plasma microfield increases the effective dielectronic recombination rate coefficient for C(3+) by only 40 percent at n(H) = 10 exp 9/cu cm, for example, compared to the near factor of 3 enhancement predicted by Reisenfeld et al. (1992). The large effects predicted by Reisenfeld et al. over a wide range of densities are the result of an overestimation of the electric field enhancement of dielectronic recombination by their approximate calculations.

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