Phys. Rev. D 59, 125011 (1999) [16 pages]Relativistic Wigner function approach to neutrino propagation in matterReceived 13 October 1998; published 14 May 1999 In this work we study the propagation of massive Dirac neutrinos in matter with flavor mixing, using statistical techniques based on relativistic Wigner functions. First, we consider neutrinos in equilibrium within the Hartree approximation, and obtain the corresponding dispersion relations and effective masses. After this, we analyze the same system out of equilibrium. We verify that, under the appropriate physical conditions, the well-known equations for the MSW effect are recovered. © 1999 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.59.125011
DOI:
10.1103/PhysRevD.59.125011
PACS:
14.60.Pq, 05.20.Dd, 26.65.+t
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