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Abstract: In the general picture of high order theories of gravity, recently, the R^-1theory has been analyzed in two different frameworks. In this letter a thirdcontext is added, considering an explicit coupling between the R^-1 function ofthe Ricci scalar and the matter Lagrangian. The result is a non-geodesic motionof test particles which, in principle, could be connected with Dark Matter andPioneer anomaly problems.



Autor: Christian Corda

Fuente: https://arxiv.org/



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