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Hydrodynamical interaction of mildly relativistic ejecta with an ambient medium
Akihiro Suzuki, Keiichi Maeda, Toshikazu Shigeyama
Hydrodynamical interaction of spherical ejecta freely expanding at mildly relativistic speeds into an ambient cold medium is studied in semi-analytical and numerical ways to invest…
Contribution of Neutron Star Mergers to the R-process Chemical Evolution in the Hierarchical Galaxy Formation
Yutaka Komiya, Toshikazu Shigeyama
The main astronomical source of r-process elements has not yet been identified. One plausible site is neutron star mergers (NSMs), but from perspective of the Galactic chemical evo…
2D radiaition-hydrodynamic simulations of supernova shock breakout in bipolar explosions of a blue supergiant progenitor
Akihiro Suzuki, Keiichi Maeda, Toshikazu Shigeyama
A two-dimensional special relativistic radiation-hydrodynamics code is developed and applied to numerical simulations of supernova shock breakout in bipolar explosions of a blue su…