Electrodynamics of neutrinos in plasmas

Details Electrodynamics of neutrinos in plasmas Electrodynamics of neutrinos in plasmas

Nov 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aps..dpprp1107b&link_type=abstract

American Physical Society, 41st Annual Meeting of the Division of Plasma Physics, November 15-19, 1999 Seattle, WA, abstract #RP

Physics

Plasma Physics

Scientific paper

There is considerable interest in the propagation dynamics of neutrinos in a background dispersive medium, particularly in the search for a mechanism to explain the dynamics of type II supernovae and solve the solar neutrino problem. Neutrino interactions with matter are usually considered as non self-consistent single particle processes. However, it is well known that the self consistent description of a stream of particles moving through a medium such as a plasma give rise to a new class of processes known as collective interactions, a stream of neutrinos interacting via the weak force is no exception. We will describe neutrino streaming instabilities within supernovae plasmas, resulting in longitudinal and transverse waves using coupled kinetic equations for both neutrinos and plasma particles including magnetic field effects. The tranverse waves have energies in the γ-ray range which suggests that this may be a possible mechanism for γ-ray bursters which are associated with supernovae. Another interesting result is an asymmetry in the momentum balance imparted by the neutrinos to the core of the exploding star due to a magnetic field effect. This can result in a directed velocity of the resulting neutron star or pulsar and can explain the so called natal kick.

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