Brans–Dicke geometry

doi:10.1016/j.physletb.2008.10.046

Physics Letters B

Volume 670, Issue 2, 11 December 2008, Pages 161-164

https://doi.org/10.1016/j.physletb.2008.10.046 Get rights and content

Abstract

We reveal the non-metric geometry underlying $ω \to 0$ 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 contrast with the standard metric coupling, which grossly violates post-Newtonian experimental constraints.

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Acknowledgements

The authors wish to thank Nathalie Deruelle, Jörg Kulbartz and Marcelo Salgado for helpful discussions and comments. R.P. and M.N.R.W. acknowledge full financial support from the German Research Foundation DFG through M.N.R.W.'s Emmy Noether fellowship grant WO 1447/1-1.

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Brans–Dicke geometry

Abstract

Section snippets

Acknowledgements

Phys. Lett. B

Phys. Rev.

Phys. Rev. D

Phys. Rev. D

Phys. Rev. D

Phys. Rev. D

Phys. Rev. D

Rep. Prog. Phys.

Phys. Rev. Lett.

Phys. Rev. D

Gen. Relativ. Gravit.