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Origin and Nature of Dust in the Early Universe
T. Nozawa, T. Kozasa, H. Umeda +8
We present recent advances in theoretical studies of the formation and evolution of dust in primordial supernovae (SNe) that are considered to be the main sources of dust in the ea…
Supernova Nucleosynthesis and Extremely Metal-Poor Stars
Nozomu Tominaga, Hideyuki Umeda, Keiichi Maeda +2
We investigate hydrodynamical and nucleosynthetic properties of the jet-induced explosion of a population III star and compare the abundance patterns of the yields with…
Evolution of newly formed dust in Population III supernova remnants and its impact on the elemental composition of Population II.5 stars
Takaya Nozawa, Takashi Kozasa, Asao Habe +5
We investigate the evolution of dust formed in Population III supernovae (SNe) by considering its transport and processing by sputtering within the SN remnants (SNRs). We find that…
Supernova Nucleosynthesis in the Early Universe
Nozomu Tominaga, Hideyuki Umeda, Keiichi Maeda +2
The first metal enrichment in the universe was made by supernova (SN) explosions of population (Pop) III stars. The trace remains in abundance patterns of extremely metal-poor (EMP…
Injection of Short-Lived Radionuclides into the Early Solar System from a Faint Supernova with Mixing-Fallback
A. Takigawa, J. Miki, S. Tachibana +4
Several short-lived radionuclides (SLRs) were present in the early solar system, some of which should have formed just prior to or soon after the solar system formation. Stellar nu…