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Vacuum structure in a chiral R+R^n modification of pure supergravity
Sergio Ferrara, Alex Kehagias, Massimo Porrati
We discuss an class of modified , D=4 supergravity models where the deformation is a monomial in the chiral scalar curvature m…
Supersymmetry Breaking by Higher Dimension Operators
Fotis Farakos, Sergio Ferrara, Alex Kehagias +1
We discuss a supersymmetry breaking mechanism for N = 1 theories triggered by higher dimensional op- erators. We consider such operators for real linear and chiral spinor superfiel…
Higher Order Corrections in Minimal Supergravity Models of Inflation
Sergio Ferrara, Renata Kallosh, Andrei Linde +1
We study higher order corrections in new minimal supergravity models of a single scalar field inflation. The gauging in these models leads to a massive vector multiplet and the D-t…
Minimal Supergravity Models of Inflation
Sergio Ferrara, Renata Kallosh, Andrei Linde +1
We present a superconformal master action for a class of supergravity models with one arbitrary function defining the Jordan frame. It leads to a gauge-invariant action for a real…