Proof Of The Invalidity Of The Boltzmann Property In The FMO Many-Body Neutrino Model

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dc.creatorQuach, James
dc.date2009-03-08
dc.date2009-03-23
dc.date.accessioned2026-07-07T12:54:43Z
dc.date.available2026-07-07T12:54:43Z
dc.descriptionThere has been recent debate over the use of the Boltzmann property in the kinetic equations describing dense neutrino systems such as early Universe and Supernova core. A technique developed by Bell, Rawlinson, and Sawyer utilises the flavour evolution timescales of the neutrino systems to test the validity of this assumption. The Friedland-McKellar-Okuniewicz (FMO) many-body neutrino model was developed to conduct this test. It was concluded by its authors, using the Bell-Rawlinson-Sawyer timescale test, that the model lent support to the Boltzmann property assumption. We developed kinetic equations for the FMO model. By direct analysis of the kinetic equations we find, in stark contrast to Friedland et al., that in fact the Boltzmann property assumption does breakdown in the FMO model. We have shown that the Bell-Rawlinson-Sawyer timescale technique can only be used to invalidate the Boltzmann property but not validate it.
dc.descriptionThis paper is based on the author's 2006 University of Melbourne BSc honour's report supervised by Bruce H.J. McKellar
dc.identifierhttps://arxiv.org/abs/0903.1410
dc.identifierhttp://arxiv.org/abs/0903.1410
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/224034
dc.subjectHigh Energy Physics - Phenomenology
dc.titleProof Of The Invalidity Of The Boltzmann Property In The FMO Many-Body Neutrino Model
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