Disformally self-tuning gravity
classification
✦ hep-th
gr-qc
keywords
ablecouplingextendfourgravitymatterself-tuningallowing
read the original 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.
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