Towards testing gravity with cosmic voids

Yan Chuan Cai*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Cosmic void as a cosmological probe is reviewed. We introduce the theoretical background and recent development in observations of cosmic voids, focusing on its potential to test theorists of gravity. Four observables about cosmic voids are introduced: void number counts, weak gravitational lensing, redshift-space distortions and ISW around voids. We discuss opportunities on their application to current and future galaxy surveys and highlight challenges for this subject.

Original languageEnglish
JournalInternational Journal of Modern Physics D
DOIs
Publication statusPublished - 2 Oct 2018

Keywords

  • cosmological constant
  • cosmological models
  • Cosmology
  • dark energy
  • modified gravity

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