Gravitational Effects on Neutrino Physics

Dear Colleagues,

The current Special Issue is devoted to a deeper understanding of the implications of gravity on neutrino physics and phenomenology. Since their discovery, neutrino flavor transitions have represented the most important experimental occurrence that requires an extension of the Standard Model to explain it. Following their pioneering systematization due to Pontecorvo and Bilenky, flavor oscillations have been thoroughly studied in a wide variety of contexts, ranging from cosmology and large-scale structure to condensed matter and quantum information.

At the same time, gravitational interaction must undisputedly be included in an all-encompassing and self-consistent model of particle physics which is viable at all energy regimes. The quantization of gravity is one of the most compelling challenges from a theoretical perspective. The endeavors in this direction have allowed for the emergence of a plethora of valuable candidates with which to describe the behavior of spacetime at microscopic scales, such as string theory, loop quantum gravity, and doubly special relativity, to name a few.

In recent years, the interplay between neutrino physics and gravity has gained an increasing interest and a remarkable visibility. This is attributable to the fact that a similar investigation constitutes a fruitful ground to reveal new physics phenomenology, to question the validity of fundamental principles (i.e., equivalence principle, general covariance, etc.), and to explore the uncharted horizons of theoretical physics. These and many other features lie at the heart of the present Special Issue.

Dr. Luciano Petruzziello
Prof. Dr. Gaetano Lambiase
Guest Editors

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• Neutrino physics
• General relativity
• Extended theories of gravity
• Flavor transitions
• Quantum field theory in curved spacetime