The MSSM inflation and cosmological attractors

30 May 2018  ·  Dubinin M. N. Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Petrova E. Yu. Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Pozdeeva E. O. Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Vernov S. Yu. Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University ·

Inflationary scenarios motivated by the Minimal Supersymmetric Standard Model (MSSM) where five scalar fields are non-minimally coupled to gravity are considered. The potential of the model and the function of non-minimal coupling are polynomials of two Higgs doublet convolutions... We show that the use of the strong coupling approximation allows to obtain inflationary parameters in the case when a combination of the four scalar fields plays a role of inflaton. Numerical calculations show that the cosmological evolution leads to inflationary scenarios fully compatible with observational data for different values of the MSSM mixing angle $\beta$. read more

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High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology High Energy Physics - Theory