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Various reactions occur in the Universe. Nuclear reactions occur inside stars and on the surface of compact objects like white dwarfs and neutron stars. Ionization of atoms (and recombination of electrons) occur in any plasma state and even chemical reactions are important in cool, dense gas which will form stars eventually. We are interested in simulating these reactions in the relevant astrophysical environments. Our simulation results are compared with observations and give a hint on how we can understand what we see/observe.
We also have interest in multi-messenger astronomy (MMA), an emerging field in modern astronomy. MMA includes gravitational wave (GW) astronomy, neutrino astronomy (NA), and conventional electromagnetic wave (i.e., light) astronomy. We are participating in two MMA international collaboration, KAGRA (Japaneses GW detector) and Hyper-Kamiokande (Japanese NA detector). Our research activities focus on predicting unpredicted astrophysical sources that could be discovered with current and future GW and NA detectors.
Major research field
Nuclear astrophysics, interstellar medium, astro-chemistry, supercomputing
Desired field of research
Gravitational wave, neutrino astrophysics, machine learning
Research Keywords and Topics
Hydrodynamic Simulations of Astrophysical Phenomena at Non-equilibrium States
Numerical Relativity: Hydrodynamic and Magneto-Hydrodynamic Simulations of Relativistic Flows
Computational Nuclear Astrophysics for the Rare Isotope Accelerator Experiments
Relativistic Radiative Transfer for the Astrophysical Applications (e.g., Gamma-Ray Bursts and Active Galactic Nuclei)
Numerical Astro-Chemistry
Gravitational Wave and Neutrino Astrophysics
Research Publications
MORE1. "Isotopic Compositions of Ruthenium Predicted from the NuGrid Project", Seonho Kim, Kwang Hyun Sung, and Kyujin Kwak, Astrophysical Journal, 924, 88 (2022)
2. "Measuring the masses and radii of neutron stars in low-mass X-ray binaries: Effects of the atmospheric composition and touchdown radius", Myungkuk Kim, Young-Min Kim, Kwang Hyun Sung, Chang-Hwan Lee, and Kyujin Kwak, Astronomy and Astrophysics, 650, A139 (2021)
3. "Tidal deformability of neutron stars with realistic nuclear energy density functionals", Young-Min Kim, Yeunhwan Lim, Kyujin Kwak, Chang Ho Hyun, and Chang-Hwan Lee, Physical Review C, 98, 065805 (2018)
국가과학기술표준분류
- ND. 지구과학(지구/대기/해양/천문)
- ND12. 천문학
- ND1207. 고에너지천문학
국가기술지도분류
- 기타 분야
- 060000. 국가기술지도(NTRM) 99개 핵심기술 분류에 속하지 않는 기타 연구
녹색기술분류
- 녹색기술관련 과제 아님
- 녹색기술관련 과제 아님
- 999. 녹색기술 관련과제 아님
6T분류
- 기타 분야
- 기타 분야
- 070000. 위의 미래유망신기술(6T) 103개 세분류에 속하지 않는 기타 연구