Component Actions of Liberated $\mathcal{N}=1$ Supergravity and New Fayet-Iliopoulos Terms in Superconformal Tensor Calculus

Abstract

We explicitly compute the component action of certain recently discovered new $\mathcal{N}=1$ supergravity actions which enlarge the space of scalar potentials allowed by supersymmetry and also contain fermionic interaction terms that become singular when supersymmetry is unbroken. They are the "Liberated Supergravity" introduced by Farakos, Kehagias and Riotto, and supergravities with a new Kahler-invariant Fayet-Iliopoulos term proposed by Antoniadis, Chatrabhuti, Isono, and Knoops. This paper is complementary to our previous papers [Phys. Rev. D 103 (2021), 025008 and 105006], in which new constraints on the coupling constants of those new theories were found. In this paper we spell out many details that were left out of our previous papers.

arXiv comment37 pages

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