Finite SUSY GUTs with reduction of couplings exhibit conformal behavior and AMSB-like soft terms without tachyons when connected to a Weyl-invariant supergravity with no-scale Kähler potential.
Cosmological attractor inflation from the RG-improved Higgs sector of finite gauge theory
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abstract
The possibility to construct an inflationary scenario for renormalization-group improved potentials corresponding to the Higgs sector of finite gauge models is investigated. Taking into account quantum corrections to the renormalization-group potential which sums all leading logs of perturbation theory is essential for a successful realization of the inflationary scenario, with very reasonable parameter values. The inflationary models thus obtained are seen to be in good agreement with the most recent and accurate observational data. More specifically, the values of the relevant inflationary parameters, $n_s$ and $r$, are close to the corresponding ones in the $R^2$ and Higgs-driven inflation scenarios. It is shown that the model here constructed and Higgs-driven inflation belong to the same class of cosmological attractors.
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Derives general solution to □R=0 in R² gravity plus radiation in flat FLRW and establishes integrability of the scalar-field and conformal chiral versions.
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Emergence of conformal properties in Finite Grand Unified Theories via reduction of couplings
Finite SUSY GUTs with reduction of couplings exhibit conformal behavior and AMSB-like soft terms without tachyons when connected to a Weyl-invariant supergravity with no-scale Kähler potential.
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Integrability of $R^2$ gravity cosmological models with radiation
Derives general solution to □R=0 in R² gravity plus radiation in flat FLRW and establishes integrability of the scalar-field and conformal chiral versions.