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Higgs inflation in minimal supersymmetric SU(5) GUT
Higgs inflation minimal supersymmetric
2011/10/14
The Standard Model Higgs boson with large non-minimal coupling to the gravitational curvature can drive cosmological inflation. We study this type of inflationary scenario in the context of supersymme...
Dark energy, non-minimal couplings and the origin of cosmic magnetic fields
Dark energy non-minimal couplings the origin of cosmic magnetic fields
2011/1/10
In this work we consider the most general electromagnetic theory in curved space-time leading to linear second order differential equations, including non-minimal couplings to the space-time curvature...
The matter Lagrangian and the energy-momentum tensor in modified gravity with non-minimal coupling between matter and geometry
energy-momentum tensor modified gravity non-minimal coupling
2010/3/18
We show that in modified $f(R)$ type gravity models with non-minimal coupling between matter and geometry, both the matter Lagrangian, and the energy-momentum tensor, are completely and uniquely deter...
Minimal Inflation
SUSY cosmology
2010/3/18
Using the universal X superfield that measures in the UV the violation of conformal invariance we build up a model of multifield inflation. The underlying dynamics is the one controlling the natural f...