
TL;DR
The paper introduces 'Relaxed supergravity,' a new class of $ $=1 supergravity that broadens scalar potential possibilities by discovering a negative-definite contribution, enabling more flexible model building in high-scale SUSY breaking scenarios.
Contribution
It presents the first identification of a negative-definite term in $ $=1 supergravity and global SUSY, expanding the potential landscape beyond traditional constraints.
Findings
Discovered a new negative-definite scalar potential contribution.
Established a superconformal action for higher order corrections.
Identified a SUSY breaking scale cutoff at $M_S$.
Abstract
We propose a novel class of supergravity (called ``Relaxed supergravity'') that can enlarge the space of scalar potentials, relaxing the strongly-constrained form of the prototype supergravity potential. It has very long been considered that in supergravity a negative term of scalar potential can be given only by the gravitino-mass term (i.e. ) from the F-term potential, while such negative term is absent in global supersymmetry (SUSY). In this letter, however, we firstly discover a new negative-definite contribution to the scalar potential in supergravity and even global SUSY. In the end, this allows us to have a general scalar potential. To achieve this, we start with detection of a ``no-go'' theorem for the higher order corrections in minimal supergravity models of inflation, which was investigated by Ferrara, Kallosh, Linde,…
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Taxonomy
TopicsCosmology and Gravitation Theories · Black Holes and Theoretical Physics · Noncommutative and Quantum Gravity Theories
