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astro-ph.CO2024
Insights into Gravitinos Abundance, Cosmic Strings and Stochastic Gravitational Wave Background
K. El Bourakadi, G. Otalora, A. Burton-Villalobos +3
In this paper, we investigate D-term inflation within the framework of supergravity, employing the minimal Kähler potential. Following previous studies that revealed that this mode…
gr-qc2024
Leptogenesis Effects on the Gravitational Waves Background: Interpreting the NANOGrav Measurements and JWST Constraints on Primordial Black Holes
K. El Bourakadi, H. Chakir, M. Yu. Khlopov
We demonstrate that the leptogenesis mechanisms, which are associated with B-L symmetry breaking mechanism has notable effects on the production of gravitational waves. These gravi…