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Ucn

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We present a Lagrangian-based metric theory of gravity with three adjustable constants and two tensor fields, one of which is a nondynamical "flatspace metric" i. With a suitable cosmological model and a particular choice of the constants, the "Post-Newtonian limit" of the theory agrees, in the current epoch, with that of General Relativity (GRT); consequently our theory is consistent with current gravitation experiments. Because of the role of A, the gravitational "constant" G is time dependent and gravitational waves travel null geodesics of q rather than the physical metric g. Gravitational waves possess sixdegrees of freedom. The general exact static spherically symmetric solution is a four parameter family and one of these solutions is investigated in detail. Future experimental tests of the theory are discussed.

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