Possible effects of spacetime non-metricity on neutrino oscillations

Details Possible effects of spacetime non-metricity on neutrino oscillations Possible effects of spacetime non-metricity on neutrino oscillations

2003-03-20

arxiv.org/abs/gr-qc/0303080v2

Phys.Rev. D69 (2004) 123002

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Scientific paper

10.1103/PhysRevD.69.123002

The contribution of gravitational neutrino oscillations to the solar neutrino problem is studied by constructing the Dirac Hamiltonian and calculating the corresponding dynamical phase in the vicinity of the Sun in a non-Riemann background Kerr space-time with torsion and non-metricity. We show that certain components of non-metricity and the axial as well as non-axial components of torsion may contribute to neutrino oscillations. We also note that the rotation of the Sun may cause a suppression of transitions among neutrinos. However, the observed solar neutrino deficit could not be explained by any of these effects because they are of the order of Planck scales.

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