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gr-qc2024
Gravitational wave signatures from reheating in Chern-Simons running-vacuum cosmology
Charalampos Tzerefos, Theodoros Papanikolaou, Spyros Basilakos +2
Within the context of a Chern-Simons running-vacuum-model (RVM) cosmology, one expects an early-matter dominated (eMD) reheating period after RVM inflation driven by the axion fiel…
hep-th2024
Observable Signatures of No-Scale Supergravity in NANOGrav
Spyros Basilakos, Dimitri V. Nanopoulos, Theodoros Papanikolaou +2
In light of NANOGrav data we provide for the first time possible observational signatures of Superstring theory. Firstly, we work with inflection-point inflationary potentials natu…