2018/08/31 by M. Kord Zangeneh, H. Moradpour, N. Sadeghnezhad
Physics and Astronomy · #Cosmology #Cosmology and Gravitation Theories #Dark energy #Dark matter #Galaxy rotation curve #Hubble's law #Modified Newtonian dynamics #Newtonian fluid #Quantum and Classical Electrodynamics #Relativity and Gravitational Theory #Spiral galaxy #physics.gen-ph
paper · pdf · doi:10.1142/s0217732319501682
published as Modern Physics Letters A (2019) · Accepted version by Mod. Phys. Lett. A
arxiv created 2019/03/15 · arxiv updated 2019/04/16 · openalex publication_date 2019/05/14 · openalex created_date 2019/06/27 · openalex updated_date 2026/08/05
Considering some modified Newtonian potentials and the Hubble law in writing the total energy of a test mass located at the edge of a flat Friedmann–Robertson–Walker (FRW) universe, we obtain several modified Friedmann equations. Interestingly enough, our study shows that the employed potentials, while some of them have some successes in modeling the spiral galaxies rotation curves, may also address an accelerated universe. This fact indicates that dark energy and dark matter may have some common origins and aspects.