The influence of scalar fields in protogalactic interactions

Details The influence of scalar fields in protogalactic interactions The influence of scalar fields in protogalactic interactions

2009-07-14

arxiv.org/abs/0907.2466v1

In Exact Solutions and scalar fields in gravity, Edited by A. Macias, et al. (Kluwer Academic/Plenum Publishing, New York, 200

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

11 pages, 2 figures

Scientific paper

We present simulations within the framework of scalar-tensor theories, in the Newtonian limit, to investigate the influence of massive scalar fields on the dynamics of the collision of two equal spherical clouds. We employ a SPH code modified to include the scalar field to simulate two initially non-rotating protogalaxies that approach each other, and as a result of the tidal interaction, intrinsic angular momentum is generated. We have obtained sufficient large values of J/M to suggest that intrinsic angular momentum can be the result of tidal interactions.

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