Journal
ASTROPHYSICAL JOURNAL
Volume 802, Issue 1, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0004-637X/802/1/63
Keywords
dark energy; gravitation
Categories
Funding
- NSF grant [AST 1312034]
- Royal Society
- European Research Council
- European Research Council under the European Union's Seventh Framework Programme (FP7)/ERC [617656]
- All Souls College, Oxford
- STFC [ST/L000393/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/L000393/1] Funding Source: researchfish
- Direct For Mathematical & Physical Scien
- Division Of Astronomical Sciences [1312034] Funding Source: National Science Foundation
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The current effort to test general relativity (GR) employs multiple disparate formalisms for different observables, obscuring the relations between laboratory, astrophysical, and cosmological constraints. To remedy this situation, we develop a parameter space for comparing tests of gravity on all scales in the universe. In particular, we present new methods for linking cosmological large-scale structure, the cosmic microwave background, and gravitational waves with classic PPN tests of gravity. Diagrams of this gravitational parameter space reveal a noticeable untested regime. The untested window, which separates small-scale systems from the troubled cosmological regime, could potentially hide the onset of corrections to GR.
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