Journal
PHYSICAL REVIEW D
Volume 85, Issue 12, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.85.123503
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Funding
- Japan Society for Promotion of Science (JSPS) [21540270, 21244033]
- JSPS [22840011]
- Grants-in-Aid for Scientific Research [22840011, 21540270, 12J06424] Funding Source: KAKEN
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The cross correlation between the integrated Sachs-Wolfe (ISW) effect and the large-scale structure is a powerful tool to constrain dark energy and alternative theories of gravity. In this paper, we obtain observational constraints on kinetic gravity braiding from the ISW-large-scale-structure cross correlation. We find that the late-time ISW effect in the kinetic gravity braiding model anticorrelates with large-scale structures in a wide range of parameters, which clearly demonstrates how one can distinguish modified gravity theories from the lambda cold dark matter model using the ISW effect.
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