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Modified gravity tomography

Brax, P.; Davis, A.-C.; Li, B.


P. Brax

A.-C. Davis


We consider the effect of a canonically normalised scalar field degree of freedom on the dynamics of gravity from small to large scales. We show that the effects of modified gravity can be completely captured by the time variations of the scalar field mass and its coupling to matter. This leads to a parameterisation of modified gravity where local constraints are easy to analyse and large scale structure effects apparent.

Journal Article Type Article
Publication Date Aug 29, 2012
Deposit Date Mar 27, 2013
Publicly Available Date May 8, 2014
Journal Physics Letters B
Print ISSN 0370-2693
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 715
Issue 1-3
Pages 38-43
Public URL


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