Classification of Shift-Symmetric No-Scale Supergravities

Abstract

Models of 4D $\mathcal{N}=1$ supergravity coupled to chiral multiplets with vanishing or positive scalar potential have been denoted as no-scale. Of particular interest in the context of string theory are models which additionally possess a shift-symmetry. In this case there exists a dual description of chiral models in terms of real linear multiplets. We classify all ungauged shift-symmetric no-scale supergravities in both formulations and verify that they match upon dualization. Additionally, we comment on the realizations within effective supergravities descending from string compactifications.

31 pages; v2: References added

References in corpus (2)

• Generalized N=1 Orientifold Compactifications and the Hitchin functionals
• A new class of N=1 no-scale supergravity models

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