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Designing surveys for tests of gravity
2011
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
Modified gravity theories may provide an alternative to dark energy to explain cosmic acceleration. We argue that the observational program developed to test dark energy needs to be augmented to capture new tests of gravity on astrophysical scales. Several distinct signatures of gravity theories exist outside the linear regime, especially owing to the screening mechanism that operates inside halos like the Milky Way to ensure that gravity tests in the solar system are satisfied. This opens up
doi:10.1098/rsta.2011.0286
pmid:22084295
fatcat:qgw7lweb2netrnufmi6cx4pvju