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Revista mexicana de física
versión impresa ISSN 0035-001X
Resumen
GABBASOV, R.F; RODRIGUEZ-MEZA, M.A; CERVANTES-COTA, J.L y KLAPP, J.. The influence of non-minimally coupled scalar fields on the dynamics of interacting galaxies. Rev. mex. fis. [online]. 2007, vol.53, suppl.2, pp.54-57. ISSN 0035-001X.
We study bar formation in galactic disks as a consequence of the collision of two spiral galaxies under the influence of a potential which is obtained from the Newtonian limit of a scalar-tensor theory of gravity. We found that dynamical effects depend on parameters (α, λ) of the theory. In particular, we observe that the bar is shorter for weaker tidal perturbations, which in turn corresponds to smaller values of λ used in our numerical experiments.
Palabras llave : Galaxy interaction; bar formation; dark matter; scalar fields.