Contribution of plasma turbulence field to the stark broadening function

Details Contribution of plasma turbulence field to the stark broadening function Contribution of plasma turbulence field to the stark broadening function

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989cha%26a..13..165z&link_type=abstract

Chinese Astronomy and Astrophysics, Volume 13, Issue 2, p. 165-165.

Astronomy and Astrophysics

Astrophysics

Plasma Turbulence, Stark Broadening

Scientific paper

Past calculations of the Stark broadening function generally took account only of the Holtsmark field and the resulting electron density is only an upper limit. It is now known that plasma turbulence field also plays an important role, which will greatly reduce the calculated electron density. In this paper we have re-calculated the Stark broadening function for the Balmer lines up to H30, including both the Holtzmark and turbuelence fields, and for various ratios of the two. The results differ from Underhill's and Galdetskii's results based on one field alone. Since the majority of solar flares, eruptive prominences and other astrophysical processes probably involve weak or medium turbulence, our calculation should be useful in the line profile analysis in these cases.

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