Cosmological properties of a generic (\cal R)^2-supergravity

Abstract

We investigate in detail the structure of the simplest non-trivial F(\cal R)-supergravity model, whose F-function is given by a generic quadratic polynomial in terms of the scalar supercurvature (\cal R). This toy-model admits a fully explicit derivation of the corresponding f(R)-gravity functions. We apply the stability conditions for selecting the physical f(R)-gravity functions, and discuss the phenomenological prospects of F(\cal R)-supergravity in its application to cosmology.

15 pages, latex2e, no figures; minor additions, a reference added

References in corpus (8)

• Five-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Cosmological Interpretation
• New models of chaotic inflation in supergravity
• General inflaton potentials in supergravity
• Embedding (R+R^2)-Inflation into Supergravity
• Superstring-inspired supergravity as the universal source of inflation and quintessence
• Seeking the Loop Quantum Gravity Barbero-Immirzi Parameter and Field in 4D, $\mathcal{N}$ = 1 Supergravity
• Chaotic inflation in F(R) supergravity
• Scalar potential in F(R) supergravity