Abstract Recently, the Hydrogen Epoch of Reionization Array (HERA) has produced the
experiment's first upper limits on the power spectrum of 21 cm fluctuations at z∼ 8 and 10 …

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 …

Cosmic dawn (CD) and the epoch of reionization (EoR) are the most important parts of
cosmic history during which the first luminous structures emerged. These first objects heated …

The 21-cm signal holds the key to understanding the first structure formation during cosmic
dawn. Theoretical progress over the last decade has focused on simulations of this signal …

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 …

The 21-cm signal from the epoch of cosmic dawn prior to reionization consists of a promising
observable to gain new insights into the dark matter (DM) sector. In this paper, we …

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 …

Radio interferometers, such as the Low-Frequency Array and the future Square Kilometre
Array, are attempting to measure the spherically averaged 21-cm power spectrum from the …

ABSTRACT A recent measurement of the Lyman-limit mean free path at z= 6 suggests it may
have been very short, motivating a better understanding of the role that ionizing photon sinks …

Current best limits on the 21 cm signal during reionization are provided at large scales (≳
100 Mpc). To model these scales, enormous simulation volumes are required, which are …