Cosmological reionization

T. Roy Choudhury*
Harish-Chandra Research Institute, Chhatnag Road, Jhusi, Allahabad 211 019, India

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The study of reionization has acquired increasing significance recently because of various reasons. On the observational front, we now have good quality data of different types at high redshifts. Theoretically, the importance of the reionization lies in its close coupling with the formation of first cosmic structures, and there has been much progresses in modeling the process. In this article, we will review and discuss the possibility of constraining the reionization history by matching theoretical models with observations.

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Keywords : cosmology: large-scale structure of Universe – galaxies: intergalactic medium