arXiv · gr-qc/9601004
Gravity, Geometry, and Equivalence
Abstract
We show that the energy-momentum four-vector of a planet, p = mu, is conserved during geodesic motion. Therefore, there is no exchange of energy-momentum with the gravitational field. We discuss the meaning of a gravitational field which is free of energy, momentum, and stress.
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Kenneth Dalton. 1997-03-07. Gravity, Geometry, and Equivalence. https://arxiv.org/abs/gr-qc/9601004
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