Neutrino Dispersion Relations from a Dark Energy Model

Abstract

We consider a model in which the neutrino is kinetically coupled to a scalar field and study its implications for environmentally dependent neutrino velocities. Following the usual effective field theory logic, this coupling is expected to arise in neutrino dark energy models. It leads to a Lorentz violation in the neutrino sector. The coupling of the scalar field to the stress tensor of the Earth yields terrestrial neutrino dispersion relations distinct from those in interstellar space.

19 pages, no figures, v2 detailed treatment of MSW, motivation from OPERA anomaly deemphasized

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• Neutrino Oscillations in Dark Backgrounds
• Flavor of cosmic neutrinos preserved by ultralight dark matter
• Model dependence of the bremsstrahlung effects from the superluminal neutrino at OPERA
• From Generalized Dirac Equations to a Candidate for Dark Energy
• Superluminal neutrinos and domain walls
• Stability of Closed Timelike Curves in a Galileon Model
• Constraints on the interpretation of the superluminal motion of neutrinos at OPERA
• The Reactor Anomaly after Daya Bay and RENO
• Superluminal Neutrinos and Monopoles
• Neutrino Lorentz invariance violation from the CPT-even SME coefficients through a tensor interaction with cosmological scalar fields
• Fitting to data of superluminal neutrinos with phenomenological scenarios
• Neutrino Splitting and Density-Dependent Dispersion Relations
• Superluminal self-interacting neutrino
• Common origin of superluminal neutrinos and DAMA annual modulation