Streamlined Supergravity
Renata Kallosh, Andrei Linde

TL;DR
This paper demonstrates a method to construct arbitrary scalar potentials in supergravity models with nilpotent superfields by appropriately choosing the Kahler metric, enhancing flexibility for cosmological and particle physics applications.
Contribution
It introduces a novel approach to generate any desired potential in supergravity with nilpotent superfields through specific Kahler metric choices.
Findings
Any scalar potential can be realized with a nilpotent superfield.
The method allows maximal freedom in kinetic terms and potentials.
Suitable for cosmological and particle physics model building.
Abstract
The textbook N=1 supergravity has an F-term potential depending on a superpotential and a Kahler potential , with the scalar potential . In this approach, it is not always easy to find the potential with the required properties. We show that in supergravity with a nilpotent superfield and with any Kahler potential one can obtain any desired potential by a proper choice of the Kahler metric of the nilpotent superfield. This construction is particularly suitable for cosmological and particle physics applications, which may require maximal freedom in the choice of kinetic terms and scalar potentials.
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Taxonomy
TopicsQuantum Mechanics and Non-Hermitian Physics · Black Holes and Theoretical Physics · Quantum and Classical Electrodynamics
