21 cm line bispectrum as a method to probe cosmic dawn and epoch of reionization

@inproceedings{Shimabukuro201621CL,
  title={21 cm line bispectrum as a method to probe cosmic dawn and epoch of reionization},
  author={Hayato Shimabukuro and Shintaro Yoshiura and Keitaro Takahashi and Shuichiro Yokoyama and Kiyotomo Ichiki},
  year={2016}
}
Redshifted 21cm signal is a promising tool to investigate the state of intergalactic medium (IGM) in the Cosmic Dawn (CD) and Epoch of Reionization(EoR). In our previous work (Shimabukuro et al 2015), we studied the variance and skewness to give a clear interpretation of 21cm power spectrum and found that skewness is a good indicator of the epoch when X-ray heating becomes effective. Thus, the non-Gaussian feature of the spatial distribution of the 21cm signal is expected to be useful to… CONTINUE READING
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