Effect of brane tension on reheating parameters in small field inflation according to Planck-2018 data

Author:

Sakhi Z.12,El Bourakadi K.1,Safsafi A.12,Ferricha-Alami M.3,Chakir H.3,Bennai M.12

Affiliation:

1. Physics and Quantum Technology Team, LPMC, Ben M’sik Faculty of Sciences, Casablanca Hassan II University, Morocco

2. LPHE-MS, Faculty of Sciences and Centre of Physics and Mathematics, Mohammed V University, Rabat, Morocco

3. Subatomic and Applications Research Team, LPMC, Ben M’sik Faculty of Sciences, Casablanca Hassan II University, Morocco

Abstract

We study a new reheating approach in the framework of standard and braneworld inflation. Using the technique developed in Ref. 1, we consider a small field arctangent potential and show that this approach can be similarly applied within Randall–Sundrum type 2 scenario and provide additional constraints to reheating temperature [Formula: see text] and duration of reheating [Formula: see text]. We found that in brane case the effective equation-of-state parameter [Formula: see text] must be close to 1, to satisfy Planck-2018 joint constraints on [Formula: see text].

Publisher

World Scientific Pub Co Pte Lt

Subject

Astronomy and Astrophysics,Nuclear and High Energy Physics,Atomic and Molecular Physics, and Optics

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