Quantum Field Theory of Neutrino Mixing in Spacetimes with Torsion - INSPIRE

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Quantum Field Theory of Neutrino Mixing in Spacetimes with Torsion

Antonio Capolupo
(
- INFN, Salerno and
- Salerno U.
)
,
Giuseppe De Maria
(
- Unlisted
)
,
Simone Monda
(
- INFN, Salerno and
- Salerno U.
)
,
Aniello Quaranta
(
- INFN, Salerno and
- Salerno U.
)
,
Raoul Serao
(
- INFN, Salerno and
- Salerno U.
)

Oct 12, 2023

15 pages

Published in:

Universe 10 (2024) 4, 170

Published: Apr 3, 2024

e-Print:

2310.09309 [hep-ph]

DOI:

10.3390/universe10040170

View in:

ADS Abstract Service

reference search6 citations

Citations per year

Abstract: (MDPI)

In the framework of quantum field theory, we analyze the neutrino oscillations in the presence of a torsion background. We consider the Einstein–Cartan theory and we study the cases of constant torsion and of linearly time-dependent torsion. We derive new neutrino oscillation formulae which depend on the spin orientation. Indeed, the energy splitting induced by the torsion influences oscillation amplitudes and frequencies. This effect is maximal for values of torsion of the same order of the neutrino masses and for very low momenta, and disappears for large values of torsion. Moreover, neutrino oscillation is inhibited for intensities of torsion term much larger than neutrino masses and momentum. The modifications induced by torsion on the -asymmetry are also presented. Future experiments, such as PTOLEMY, which have as a goal the analysis of the cosmological background of neutrino (which have very low momenta), can provide insights into the effect shown here.

Note:

15 pages, 10 figures

quantum field theory
neutrino mixing
torsion
space-time: torsion
space-time: teleparallel
neutrino: oscillation
neutrino: propagation
neutrino: mixing
neutrino: flavor
flavor: condensation

References(108)

Figures(10)

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