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Probing Yukawian gravitational potential by numerical simulations. II. Elliptical galaxies

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Abstract

Since the Newtonian gravitation is largely used to model with success the structures of the universe, such as galaxies and clusters of galaxies, for example, a way to probe and constrain alternative theories, in the weak field limit, is to apply them to model the structures of the universe. We then modified the well known Gadget-2 code to probe alternative theories of gravitation through galactic dynamics. In particular, we modified the Gadget-2 code to probe alternatives theories whose weak field limits have a Yukawa-like gravitational potential. As a first application of this modified Gadget-2 code we simulate the evolution of elliptical galaxies. These simulations show that galactic dynamics can be used to constrain the parameters associated with alternative theories of gravitation.

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Authors and Affiliations

  1. Divisão de Astrofísica, Instituto Nacional de Pesquisas Espaciais, Avenida dos Astronautas 1758, São José dos Campos, SP, 12227-010, Brazil

    C. S. S. Brandao & J. C. N. de Araujo

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  1. C. S. S. Brandao
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  2. J. C. N. de Araujo
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Correspondence to C. S. S. Brandao.

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Brandao, C.S.S., de Araujo, J.C.N. Probing Yukawian gravitational potential by numerical simulations. II. Elliptical galaxies. Gen Relativ Gravit 42, 623–632 (2010). https://doi.org/10.1007/s10714-009-0875-x

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  • DOI: https://doi.org/10.1007/s10714-009-0875-x

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