2 papers
gr-qc2025
Cosmological Inflation in Gravity
Maryam Shiravand, Saeed Fakhry, Javad T. Firouzjaee +1
Cosmological inflation remains a key paradigm for explaining the earliest stages of the Universe, yet the theoretical limitations of General Relativity (GR) motivate the developmen…
gr-qc2024
Toward Gravitational Lensing in Modified Theories of Gravity
Ali Tizfahm, Saeed Fakhry, Javad T. Firouzjaee +1
In this study, we investigate gravitational lensing within modified gravity frameworks, focusing on the Hu-Sawicki and normal branch Dvali-Gabadadze-Porrati (nDGP) models, a…