Neutrino oscillations in a Robertson-Walker Universe with space time foam
arXiv:0902.3386 · doi:10.1103/PhysRevD.79.107701
Abstract
In Phys. Rev. D77 (2008) 105001, we have studied decoherence models for flavour oscillations in four-dimensional stochastically fluctuating space times and discussed briefly the sensitivity of current terrestrial and astrophysical neutrino experiments to such models. In this addendum we extend these results to incorporate the effects due to the expansion of the Universe, so that our analysis can be useful in studies of extragalactic high-energy neutrinos, such as those coming from Gamma Ray Bursts at cosmological distances. Unfortunately for some microscopic models of foam, constructed in the string theory framework, we arrive at pessimistic conclusions about the detectability of the decoherence effects via flavour oscillation meaurements.
Addendum to Phys. Rev. D77 (2008) 105001
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- Cosmic magnetization in curved and Lorentz violating space-times
- Wave packet treatment of neutrino flavor oscillations in various spacetimes
- Lorentz and CPT breaking in gamma-ray burst neutrinos from string theory
- Lorentz-Violating Regulator Gauge Fields as the Origin of Dynamical Flavour Oscillations