Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/4573
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dc.contributor.authorSwami, Himanshu-
dc.date.accessioned2023-08-12T05:46:30Z-
dc.date.available2023-08-12T05:46:30Z-
dc.date.issued2022-
dc.identifier.citationEuropean Physical Journal C, 82(10), 43497.en_US
dc.identifier.urihttps://doi.org/10.1140/epjc/s10052- 022-10902-z-
dc.identifier.urihttp://hdl.handle.net/123456789/4573-
dc.descriptionOnly IISER Mohali authors are available in the record.en_US
dc.description.abstractWe study neutrino oscillations in a rotating spacetime under the weak gravity limit for the trajectories of neutrinos which are constrained in the equatorial plane. Using the asymptotic form of the Kerr metric, we show that the rotation of the gravitational source non-trivially modifies the neutrino phase. We find that the oscillation probabilities deviate significantly from the corresponding results in the Schwarzschild spacetime when neutrinos are produced near the black hole (still in the weak-gravity limit) with non-zero angular momentum and detected on the same side, i.e., the non-lensed neutrino. Moreover, for a given gravitational body and geometric parameters, there exists a distance scale for every energy scale (and vice versa), after which the rotational contribution in the neutrino phase becomes significant. Using the sun-sized gravitational body in the numerical analysis of the one-sided neutrino propagation, we show that even a small rotation of the gravitational object can significantly change the survival or appearance events of a neutrino flavor registered by the detector, which is located on the earth. These effects are expected to be prominent for cosmological/astrophysical scenarios where neutrinos travel past by many (rotating) gravitational bodies and for large distances. Thus rotational effects of all such bodies must be incorporated in analyzing oscillations dataen_US
dc.language.isoen_USen_US
dc.publisherSpringer Natureen_US
dc.subjectNeutrino flavoren_US
dc.subjectcillationsen_US
dc.subjectrotating spacetimeen_US
dc.titleNeutrino flavor oscillations in a rotating spacetimeen_US
dc.typeArticleen_US
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