Observational constraints on kinetic gravity braiding from the integrated Sachs-Wolfe effect

Rampei Kimura, Tsutomu Kobayashi, Kazuhiro Yamamoto

研究成果: Contribution to journalArticle査読

31 被引用数 (Scopus)

抄録

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.

本文言語英語
論文番号123503
ジャーナルPhysical Review D - Particles, Fields, Gravitation and Cosmology
85
12
DOI
出版ステータス出版済み - 6 4 2012
外部発表はい

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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