Time-dependent neutrino transport out of dense stellar cores

I. Lichtenstadt*, A. Ron, N. Sack, J. J. Wagschal, S. A. Bludman

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Time-dependent neutrino transport out of an optically thick neutronized stellar core is calculated to study the effects of neutrino degeneracy and of source depletion. Neutrino trapping inhibits further neutrino emission until neutrinos peel out of the outer zones of the core, exposing successively inner zones. This inwardly propagating neutrino rarefaction wave can lead to e-+p⇄v+n oscillations in chemical composition. The effect of neutrino Fermi statistics is to retard considrably and disperse neutrino leakage out of the core, making neutrino transport insignificant during fast stages of core collapse.

Original languageAmerican English
Pages (from-to)219-227
Number of pages9
JournalAstrophysics and Space Science
Issue number1
StatePublished - Aug 1980


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