| Name: | Kanan Virkar |
| Affiliation: | Indian Institute of astrophysics |
| Conference ID: | ASI2025_133 |
| Title: | Probing primordial physics signatures in 21 cm signal using morphological statistics |
| Authors: | Kanan Virkar 1 , Pravabati Chingangbam 1 |
| Authors Affiliation: | 1 Indian Institute of Astrophysics, Bangalore - 560034, India |
| Mode of Presentation: | Poster |
| Abstract Category: | Galaxies and Cosmology |
| Abstract: | 21 cm signal from the cosmic dawn and epoch of reionization, when detected, will provide information about the primordial universe and the physical processes that took place during this time period, such as formation of the first stars and ionizing sources, the rate of clustering of matter to form galaxies and subsequent structures. Using simulated 21 cm signal in this redshift range using the publicly available 21cmFAST code we probe the signatures of primordial physics on this epoch by using morphological statistics, namely, Minkowski functionals, Minkowski tensors and Betti numbers. Compared to the traditional power spectrum these statistics contain additional information since they are higher order statistics. In particular we study the signatures of a phase of particle production during inflation on the 21 cm signal. |
