From R2 Gravity to No-Scale Supergravity
Abstract
We show that R2 gravity coupled conformally to scalar fields is equivalent to the real bosonic sector of SU(N,1)/SU(N)×U(1) no-scale supergravity, where the conformal factor can be identified with the K\"ahler potential, and we review the construction of Starobinsky-like models of inflation within this framework.
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