Oikonomou, Vasilis K.; Fronimos, Fotis P.; Razina, Olga; Tsyba, Pyotr
(Symmetry, 2023)
In this work, we studied the phase space of f(R) gravity in the presence of a misalignment
axion, including parity violating Chern–Simons terms. We construct the autonomous dynamical
system by using appropriate dimensionless ...