Gravity in Brans-Dicke theory with Born-Infeld scalar field and the Pioneer anomaly

Abstract

In this paper we discuss a model which can be considered as a generalization of the well-known scalar-tensor Brans-Dicke theory. This model possesses an interesting feature: due to Born-Infeld type non-linearity of the scalar field the properties of the interaction between two test bodies depend significantly on their masses. It is shown that the model can be interesting in view of the Pioneer 10, 11 spacecraft anomaly.

10 pages, 1 figure, partially changed content

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