On the sizes of ionized bubbles around galaxies during the reionization epoch. The spectral shapes of the Lyα emission from galaxies

MJ Hayes, C Scarlata - The Astrophysical Journal Letters, 2023 - iopscience.iop.org
We develop a new method to determine the distance between a high-redshift galaxy and a
foreground screen of atomic hydrogen. In a partially neutral universe, and assuming …

A hands-on tutorial on network and topological neuroscience

EGZ Centeno, G Moreni, C Vriend, L Douw… - Brain Structure and …, 2022 - Springer
The brain is an extraordinarily complex system that facilitates the optimal integration of
information from different regions to execute its functions. With the recent advances in …

Studying cosmic dawn using redshifted HI 21-cm signal: A brief review

A Bera, R Ghara, A Chatterjee, KK Datta… - Journal of Astrophysics …, 2023 - Springer
In this review article, we briefly outline our current understanding of the physics associated
with the HI 21-cm signal from cosmic dawn. We discuss different phases of cosmic dawn as …

beorn: a fast and flexible framework to simulate the epoch of reionization and cosmic dawn

T Schaeffer, SK Giri, A Schneider - Monthly Notices of the Royal …, 2023 - academic.oup.com
In this study, we introduce beorn (Bubbles during the Epoch of Reionization Numerical
Simulator), a publicly available python code that generates three-dimensional maps of the …

Simulation-based inference of reionization parameters from 3D tomographic 21 cm light-cone images

X Zhao, Y Mao, C Cheng… - The Astrophysical …, 2022 - iopscience.iop.org
Tomographic three-dimensional 21 cm images from the epoch of reionization contain a
wealth of information about the reionization of the intergalactic medium by astrophysical …

Exploring the cosmic 21-cm signal from the epoch of reionization using the wavelet scattering transform

B Greig, YS Ting, AA Kaurov - Monthly Notices of the Royal …, 2022 - academic.oup.com
Detecting the cosmic 21-cm signal during the Epoch of Reionization and Cosmic Dawn will
reveal insights into the properties of the first galaxies and advance cosmological parameter …

Cosmological forecast of the 21-cm power spectrum with the halo model of reionization

A Schneider, T Schaeffer, SK Giri - Physical Review D, 2023 - APS
The 21-cm power spectrum of reionization is a promising probe for cosmology and
fundamental physics. Exploiting this new observable, however, requires fast predictors …

Inferring astrophysical parameters using the 2D cylindrical power spectrum from reionization

B Greig, D Prelogović, Y Qin, YS Ting… - Monthly Notices of the …, 2024 - academic.oup.com
Enlightening our understanding of the first galaxies responsible for driving reionization
requires detecting the 21-cm signal from neutral hydrogen. Interpreting the wealth of …

The 21-cm signal during the end stages of reionization

SK Giri, M Bianco, T Schaeffer, IT Iliev… - Monthly Notices of …, 2024 - academic.oup.com
During the epoch of reionization (EoR), the 21-cm signal allows direct observation of the
neutral hydrogen (H i) in the intergalactic medium (IGM). In the post-reionization era, this …

Prospects of constraining reionization model parameters using Minkowski tensors and Betti numbers

A Kapahtia, P Chingangbam, R Ghara… - … of Cosmology and …, 2021 - iopscience.iop.org
We explore the possibility of constraining model parameters of the Epoch of Reionization
(EoR) from 21cm brightness temperature maps, using a combination of morphological …