2 papers
astro-ph.CO2025
Observational constraints on New Tsallis holographic energy in Rastall theory
N. Sadeghnezhad, R. Jalalzadeh, Z. Davari +1
The cosmological implications of New Tsallis holographic dark energy (NTHDE) in Rastall theory have been studied. Using the data set that includes DESI BAO (DR2), PantheonPlus SNe…
astro-ph.CO2025
A Double-Sine-Gordon Early Universe
Behnoush Afshar, Marziyeh Peyravi, Kazuharu Bamba +1
A solitonic model of the early universe is introduced by employing the Double-Sine-Gordon (DSG) potential. The model predicts the appropriate number of e-foldings () required…