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Disformally self-tuning gravity

Emond, William T.; Saffin, Paul M.

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William T. Emond

Professor of Physics


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
Acceptance Date Mar 14, 2016
Online Publication Date Mar 23, 2016
Deposit Date Apr 24, 2017
Publicly Available Date Apr 24, 2017
Journal Journal of High Energy Physics
Electronic ISSN 1029-8479
Publisher Springer Verlag
Peer Reviewed Peer Reviewed
Volume 2016
Issue 3
Keywords Classical Theories of Gravity, Cosmology of Theories beyond the SM
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