paper

Universal Mass Scale for Bosonic Fields in Multi-Brane Worlds

arXiv:2009.07197 · doi:10.1016/j.physletb.2021.136831

Abstract

In this paper we find an universal mass scale for all forms in multi-brane worlds model. It is known that this model provides an ultralight mode for the fields. However, to get this, the Lagrangians considered in the literature are not covariant. In order to solve this, we propose a covariant version to multi-localize form fields. As a consequence of the covariance, we show that all the -form fields have an ultralight mode with the same mass as the gravitational one. That way we show that there is an universal mass scale for the ultralight modes of the bosonic fields. This suggests that a new physics must emerge, for all these fields, at the same scale.

arXiv commentWe have separated the results of the previous version in two parts: this one, that deals just with the universal scale of mass for bosonic fields, and the other related to the crystal manyfold. The last part will be published elsewhere

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