Towards neutrino transport with flavor mixing in supernovae: the Liouville operator

Details Towards neutrino transport with flavor mixing in supernovae: the Liouville operator Towards neutrino transport with flavor mixing in supernovae: the Liouville operator

2009-09-22

arxiv.org/abs/0909.4028v1

Nucl.Phys.Proc.Suppl.188:264-266,2009

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

Belated posting of contribution to NOW 2008 proceedings. 3 pages

Scientific paper

10.1016/j.nuclphysbps.2009.02.06

The calculation of neutrino decoupling from nuclear matter requires a transport formalism capable of handling both collisions and flavor mixing. The first steps towards such a formalism are the construction of neutrino and antineutrino "distribution matrices," and a determination of the Liouville equations they satisfy in the noninteracting case. These steps are accomplished through study of a Wigner-transformed "density function," the mean value of paired neutrino quantum field operators.

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