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  • Print publication year: 2018
  • Online publication date: September 2018

4 - The Parametrized Post-Newtonian Formalism


We develop the parametrized post-Newtonian (PPN) formalism, which encompasses the weak-field, slow-motion regime, known as the post-Newtonian limit, of a wide range of metric theories of gravity. Ten PPN parameters are introduced, whose values depend upon the theory of gravity under study. We show that general properties of metric theories of gravity may be reflected in specific values of the PPN parameters, including the presence or absence of a preferred universal frame of reference, and the presence or absence of global conservation laws for energy, momentum and angular momentum.

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Theory and Experiment in Gravitational Physics
  • Online ISBN: 9781316338612
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