Astronomy and Astrophysics – Astrophysics – Cosmology and Extragalactic Astrophysics
Scientific paper
2012-04-24
The Astrophysical Journal, Volume 750, Issue 1, article id. 29 (2012 May 1)
Astronomy and Astrophysics
Astrophysics
Cosmology and Extragalactic Astrophysics
34 pages, 18 figures
Scientific paper
10.1088/0004-637X/750/1/29
A way to probe alternative theories of gravitation is to study if they could account for the structures of the universe. We then modified the well-known Gadget-2 code to probe alternative theories of gravitation through galactic dynamics. As an application, we simulate the evolution of spiral galaxies to probe alternative theories of gravitation whose weak field limits have a Yukawa-like gravitational potential. These simulations show that galactic dynamics can be used to constrain the parameters associated with alternative theories of gravitation. It is worth stressing that the recipe given in the present study can be applied to any other alternative theory of gravitation in which the superposition principle is valid.
Brandao C. S. S.
de Araujo Jose Carlos N.
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