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Disformally self-tuning gravity

Emond, William T.; Saffin, Paul M.

Authors

William T. Emond



Abstract

We extend a previous self-tuning analysis of the most general scalar-tensor theory of gravity in four dimensions with second order field equations by considering a generalized coupling to the matter sector. Through allowing a disformal coupling to matter we are able to extend the Fab Four model and construct a new class of theories that are able to tune away the cosmological constant on Friedmann-Lemaitre-Robertson-Walker backgrounds.

Journal Article Type Article
Journal Journal of High Energy Physics
Electronic ISSN 1029-8479
Publisher Springer Verlag
Peer Reviewed Peer Reviewed
Volume 2016
Issue 3
APA6 Citation Emond, W. T., & Saffin, P. M. (in press). Disformally self-tuning gravity. Journal of High Energy Physics, 2016(3), https://doi.org/10.1007/JHEP03%282016%29161
DOI https://doi.org/10.1007/JHEP03%282016%29161
Keywords Classical Theories of Gravity, Cosmology of Theories beyond the SM
Publisher URL https://link.springer.com/article/10.1007%2FJHEP03%282016%29161
Copyright Statement Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0





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