TL;DR
This paper explores the potential of neutrino gravitational lensing as a novel astrophysical tool to study gravity, spacetime, and neutrino properties, focusing on angular deflection and time delay despite current observational limitations.
Contribution
It introduces the concept of neutrino lensing for testing general relativity and neutrino physics, emphasizing classical lensing effects and proposing a new astrophysical approach.
Findings
Analyzed neutrino lensing properties and effects.
Focused on angular deflection and time delay as classical tests.
Highlighted potential for future neutrino astrophysics research.
Abstract
Due to the intrinsic properties of neutrinos, the gravitational lens effect for neutrino should be more colorful and meaningful than the normal lens effect of photon. Other than the oscillation experiments operated at terrestrial laboratory, in principle, we can propose a completely new astrophysical method to determine not only the nature of gravity and spacetime of lens objects but also the mixing parameters of neutrinos by analyzing neutrino trajectories near the central objects. However, compared with the contemporaneous telescopes through the observation of the electromagnetic radiation, the angular, energy and time resolution of the neutrino telescopes are still comparatively poor, we just concentrate on the two classical tests of general relativity, i.e. the angular deflection and time delay of neutrino by a lens object as a preparative work in this paper. In addition, some…
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