Brans-Dicke geometry

Details Brans-Dicke geometry Brans-Dicke geometry

2008-04-25

arxiv.org/abs/0804.4067v2

Phys.Lett.B670:161-164,2008

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

8 pages, v2 with additional comment and references

Scientific paper

10.1016/j.physletb.2008.10.046

We reveal the non-metric geometry underlying omega-->0 Brans-Dicke theory by unifying the metric and scalar field into a single geometric structure. Taking this structure seriously as the geometry to which matter universally couples, we show that the theory is fully consistent with solar system tests. This is in striking constrast with the standard metric coupling, which grossly violates post-Newtonian experimental constraints.

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