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Constraints on the scalar-tensor theories of gravitation from primordial nucleosynthesis
We present a detailed calculation of the light element production in the framework of scalar-tensor theories of gravitation. The coupling function \ensuremath{\omega} is described by an appropriate form which reproduces all the possible asymptotic behaviors at early times of viable scalar-tensor cosmological models with a monotonic \ensuremath{\omega}(\ensuremath{\Phi}). This form gives …