From R² Gravity to No-Scale Supergravity
classification
✦ hep-th
astro-ph.COgr-qchep-ph
keywords
gravityno-scalesupergravityahlerbosonicconformalconformallyconstruction
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We show that $R^2$ gravity coupled conformally to scalar fields is equivalent to the real bosonic sector of SU(N,1)/SU(N)$\times$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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