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Light neutrino masses from gravitational condensation: the Schwinger–Dyson approach

Barenboim, Gabriela and Turner, Jessica and Zhou, Ye-Ling (2021) 'Light neutrino masses from gravitational condensation: the Schwinger–Dyson approach.', The European Physical Journal C, 81 (6). p. 511.


In this work we demonstrate that non-zero neutrino masses can be generated from gravitational interactions. We solve the Schwinger–Dyson equations to find a non-trivial vacuum thereby determining the neutrino condensate scale and the number of new particle degrees of freedom required for gravitationally induced dynamical chiral symmetry breaking. We show for minimal beyond the Standard Model particle content, the scale of the condensation occurs close to the Planck scale.

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Publisher statement:This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.
Date accepted:30 May 2021
Date deposited:22 September 2021
Date of first online publication:10 June 2021
Date first made open access:22 September 2021

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