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Riemannian and Non-riemannian Extensions of Geometrodynamics Versus Einsteinian Gravity
Orchidea Maria Lecian,Giovanni Montani 한국물리학회 2010 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.56 No.5
We analyze some extensions of General Relativity. Within the framework of modified gravity,the Newtonian limit of a class of gravitational actions is discussed on the basis of the corresponding scalar-tensor model. For a generalized asymmetric metric, autoparallel trajectories are defined under suitable conditions at first-order approximation.