Neutrino driven streaming instabilities in astrophysical plasmas

Details Neutrino driven streaming instabilities in astrophysical plasmas Neutrino driven streaming instabilities in astrophysical plasmas

Nov 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aps..dpp.f3s44b&link_type=abstract

American Physical Society, Division of Plasma Physics Meeting, November 16-20, 1998 New Orleans, LA, abstract #F3S.44

Physics

Plasma Physics

Scientific paper

The electromagnetic properties of neutrinos and the propagation of neutrinos in a medium are subjects of paramount importance, touching several fundamental problems in physics. Until very recently, neutrino propagation in matter has been considered as a non self-consistent single particle process. We describe here the self-consistent propagation of neutrinos in a dense plasma, using the relativistic kinetic equations for neutrinos and electrons. The general nonlinear dispersion relation is derived. For realistic astrophysical conditions, a neutrino two-stream instability can develop, with growth rates scaling with the Fermi constant of weak interaction G_F, thus leading to significant energy transfer from the neutrinos to the plasma. The astrophysical implications of this new type of instabilities are discussed.

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