Back reaction of Einstein's gravitational waves as the origin of natal pulsar kicks

Details Back reaction of Einstein's gravitational waves as the origin of natal pulsar kicks Back reaction of Einstein's gravitational waves as the origin of natal pulsar kicks

Mar 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002phrvd..65f1503c&link_type=abstract

Physical Review D, vol. 65, Issue 6, id. 061503

Physics

13

Wave Generation And Sources, Post-Newtonian Approximation, Perturbation Theory, Related Approximations, Neutrino Mass And Mixing, Pulsars

Scientific paper

At the early core bounce of a supernova collapse rapid convective overturn along with gradients in density and temperature in the neutrino-decoupling zone drives anisotropic neutrino flux. If then active-to-sterile (ντ¯,μ¯<-->νs) neutrino oscillations in the dense core take place, gravitational radiation should be emitted the entire oscillation length. Since the oscillation feeds mass energy up into (or drains it from) the new species, the large neutrino mass-squared difference (104 eV2<~Δm2<~108 eV2) implies that a huge amount of energy is released as gravity waves. This gravitational waves luminosity is larger than the one from either neutrino convection and cooling or perturbed matter distributions. I identify the back-reaction force (mass and current multipoles) of the gravitational wave burst generated over the oscillation time scale as the pulsar thruster.

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