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Mathematics  2001 

The Newtonian limit of fourth and higher order gravity

DOI: 10.1002/asna.2113120205

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Abstract:

We consider the Newtonian limit of the theory based on the Lagrangian L = R + \sum a_k R \Box^k R. The gravitational potential of a point mass turns out to be a combination of Newtonian and Yukawa terms. For sixth-order gravity the coefficients are calculated explicitly. For the general case one gets as a result: The the potential is always unbounded near the origin.

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