Neutrino oscillation in a space-time with torsion

Details Neutrino oscillation in a space-time with torsion Neutrino oscillation in a space-time with torsion

1998-08-25

arxiv.org/abs/gr-qc/9808066v2

Mod.Phys.Lett. A14 (1999) 267-274

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

7 pages, LaTex,Some typos corrected Journal: Int. J. Mod. Phys. A (1999) (will be appeared)

Scientific paper

10.1142/S0217732399000316

Using the Einstein-Cartan-Dirac theory, we study the effect of torsion on neutrino oscillation. We see that torsion cannot induce neutrino oscillation, but affects it whenever oscillation exists for other reasons. We show that the torsion effect on neutrino oscillation is as important as the neutrino mass effect, whenever the ratio of neutrino number density to neutrino energy is $\sim 10^{69}$ cm$^{-3}$ /eV, or the number density of the matter is $\sim 10^{69}$ cm$^{-3}$.

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