Starobinsky Model in N=2 Supergravity

preprint2014arXivOpen access

Abstract

The Starobinsky inflationary model of (R+R2)(R+R^2) gravity is extended to the new-minimal (40+40) off-shell 4D, N=2 supergravity in N=2 chiral (curved) superspace. In its dual formulation, as a matter-coupled N=2 Einstein supergravity, inflaton belongs to a massive N=2 vector multiplet.

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