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Diffusion coefficients for stellar plasmas
Abstract
The diffusion coefficients of relatively dense plasmas that are typical of white dwarf envelopes are presently computed by means of an approximate method, based on the numerical evaluation of collision integrals for a screened Coulomb potential, which becomes rigorously valid in the limit of a dilute plasma. The plasmas encountered in white dwarf envelopes are noted to be neither weakly nor strongly coupled; a comparison with the results of rigorous Monte Carlo calculations applicable at very high densities indicates, however, that the region of intermediate coupling is probably reasonably bridged. Results are presented in the form of high accuracy analytic fits for the collision integrals.
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Cited by
MODULES FOR EXPERIMENTS IN STELLAR ASTROPHYSICS (MESA): BINARIES, PULSATIONS, AND EXPLOSIONS
Paxton, B., Marchant, P., Schwab, J., Bauer, E. B., Bildsten, L., Cantiello, M., Dessart, L., Farmer, R., Hu, H., Langer, N., et al. (2015) · The Astrophysical Journal Supplement Series · doi:10.1088/0067-0049/220/1/15 · Cited by 3,204
MESA ISOCHRONES AND STELLAR TRACKS (MIST). I. SOLAR-SCALED MODELS
Choi, J., Dotter, A., Conroy, C., Cantiello, M., Paxton, B., & Johnson, B. D. (2016) · The Astrophysical Journal · doi:10.3847/0004-637x/823/2/102 · Cited by 2,922
Paxton, B., Schwab, J., Bauer, E. B., Bildsten, L., Blinnikov, S., Duffell, P., Farmer, R., Goldberg, J. A., Marchant, P., Sorokina, E., et al. (2018) · The Astrophysical Journal Supplement Series · doi:10.3847/1538-4365/aaa5a8 · Cited by 2,121
The Potential of White Dwarf Cosmochronology
Fontaine, G., Brassard, P., & Bergeron, P. (2001) · Publications of the Astronomical Society of the Pacific · doi:10.1086/319535 · Cited by 744
Self-citationRayleigh–Taylor and Richtmyer–Meshkov instability induced flow, turbulence, and mixing. I
Zhou, Y. (2017) · Physics Reports · doi:10.1016/j.physrep.2017.07.005 · Cited by 743
Metadata
- Authors
- Paquette, C., Pelletier, C., Fontaine, G., & Michaud, G.
- Venue
- The Astrophysical Journal Supplement Series
- Publisher
- American Astronomical Society
- Published
- 1986-05
- Volume
- 61
- Pages
- 177
- ISSN
- 0067-0049 (ISSN-L)
- 1538-4365
- OpenAlex
- W2025908986
- Cited by
- 380
- References
- 0
- Type
- conference abstract
- Language
- en
- Open access
- closed
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- Paquette, C., Pelletier, C., Fontaine, G., & Michaud, G. (1986). Diffusion coefficients for stellar plasmas. The Astrophysical Journal Supplement Series. https://doi.org/10.1086/191111
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