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Abstract:

The cosmic dawn began roughly 200–400 million years after the Big Bang, marking the end of the cosmic dark ages with the emergence of the first stars (Population III stars) and galaxies. The formation of these primordial galaxies was governed not only by the underlying dark matter structure but also by complex baryonic processes. Chemical enrichment, radiative feedback, and mechanical energy input from the first stars and their supernovae played critical roles in regulating early star formation and shaping the stellar populations of the first galaxies. In this talk, I will present results from our high-resolution radiation-hydrodynamical simulations, exploring how Population III supernova remnants (SNRs) impact the assembly and evolution of the first galaxies.