Nordstrom's scalar theory of gravity and the equivalence principle
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Abstract: (arXiv)
Nordstrom's theory of gravity, which describes gravity by a scalar field in flat spacetime, is observationally ruled out. It is however the only theory of gravity with General Relativity to obey the strong equivalence principle. I show in this paper that this remarkable property is true beyond post-newtonian level and can be related to the existence of a 'Nordstrom-Katz' superpotential.- Equivalence principle
- Nordstroem theory
- Superpotential
- field theory: scalar
- gravitation: model
- equivalence principle
- superpotential
- conservation law
- mass: gravitation
- field equations
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