Relativistic two-moment neutrino transport

Details Relativistic two-moment neutrino transport Relativistic two-moment neutrino transport

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...398..190c&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 398, no. 1, p. 190-202.

Statistics

Computation

10

Gravitational Collapse, Neutrinos, Neutron Stars, Relativistic Particles, Star Formation, Transport Theory, Computational Astrophysics, Shock Waves, Spectral Energy Distribution, Stellar Composition, Stellar Interiors, Stellar Models

Scientific paper

We implement a general relativistic neutrino transport scheme appropriate to problems in stellar collapse and neutron star formation. In this scheme the spectral energy and momentum balance equations are solved as a coupled set. We perform transport calculations on two frozen stellar background models neglecting the feedback of the neutrinos on the matter. We compare with schemes that ignore either relativity or momentum balance or both. The work performed by the neutrino stress on the matter is taken into account and has an important effect. In particular, if there is a hydrodynamical shock in the system, this work contribution boosts the energy deposition behind the shock. This may enhance the chances for a successful neutrino driven supernova explosion.

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