Auxiliary fields rescaling in higher-derivative supergravity

Details Auxiliary fields rescaling in higher-derivative supergravity Auxiliary fields rescaling in higher-derivative supergravity

1998-07-03

arxiv.org/abs/hep-th/9807027v1

Physics

High Energy Physics

High Energy Physics - Theory

17 pages LateX file, no figures

Scientific paper

We study higher--derivative supergravity with curvature squared terms in different bases. Performing a Weyl rescaling only on the metric or on all the superfield components does not allow to obtain a normalized kinetic Einstein term from a $\cR+\cR^2$ theory. It is necessary to combine a Legendre transformation and a Weyl rescaling on a $\cR+\cR^2$ theory to arrive at a theory of supergravity coupled to matter. This mechanism is applied to supergravity coupled to a general function $k(R,\BR,\Phi,\bar\Phi)$, where $R$ is one of the supergravity chiral superfields and $\Phi$ a chiral matter superfield.

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