Solar system constraints on f(T) gravity

摘要: We use recent observations of Solar system orbital motions in order to constrain f(T) gravity. In particular, imposing a quadratic correction the linear-in-T form, which is good approximation for every realistic case, we extract spherical solutions theory. Using these describe Sun's gravitational field, recently determined supplementary advances planetary perihelia, infer upper bounds on allowed corrections. find that maximal divergence potential gravity from teleparallel equivalent General Relativity 6.2 × 10−10, applicability region our analysis. This much smaller than corresponding (significantly small too) predicted cosmological observations, as expected. Such tiny linear form should be taken into account model building.