Neutrino oscillations in de Sitter space-time

Details Neutrino oscillations in de Sitter space-time Neutrino oscillations in de Sitter space-time

2005-02-18

arxiv.org/abs/hep-th/0502165v1

Physics

High Energy Physics

High Energy Physics - Theory

13 pages, no figures

Scientific paper

10.1088/1009-1963/15/1/038

We try to understand flavor oscillations and to develop the formulae for describing neutrino oscillations in de Sitter space-time. First, the covariant Dirac equation is investigated under the conformally flat coordinates of de Sitter geometry. Then, we obtain the exact solutions of the Dirac equation and indicate the explicit form of the phase of wave function. Next, the concise formulae for calculating the neutrino oscillation probabilities in de Sitter space-time are given. Finally, The difference between our formulae and the standard result in Minkowski space-time is pointed out.

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