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Ryu, Dongsu (류동수)

Department
Department of Physics(물리학과)
Website
http://sirius.unist.ac.kr/ryu/
Lab
Astrophysics Lab. (천체물리 연구실)
Research Keywords
천체물리학, 은하단, Astrophysics, Shock waves, Galaxy clusters, High Energy Astrophysics, Plasma Astrophysics, Cosmology
Research Interests
The universe contains cosmic plasma of baryonic matter, in addition to dark matter and dark energy. The so-called nonthermal components of the plasma, that is, shock waves, magnetic fields, cosmic rays and turbulence, are expected to play significant roles in the formation and observation of the large-scale structure of the universe. Yet their nature and origin are not fully understood. In the lab, the cosmic plasma as well as dark matter and dark energy are explored. Along with numerical simulations for the formation of the cosmic web, theoretical arguments based on plasma physical models for collisionless shock wave formation, cosmic ray acceleration, astrophysical turbulence, and magnetic field generation are employed.
Research Areas- Shock waves and turbulence in clusters of galaxies- Origin and evolution of magnetic fields and cosmic rays in the universe- Plasma astrophysical phenomena in the large-scale structure of the universe
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Issue DateTitleAuthor(s)TypeViewAltmetrics
2021-10A Simulation Study of Ultra-relativistic Jets. II. Structures and Dynamics of FR-II JetsSeo, Jeongbhin; Kang, Hyesung; Ryu, DongsuARTICLE6 A Simulation Study of Ultra-relativistic Jets. II. Structures and Dynamics of FR-II Jets
2021-10A Simulation Study of Ultra-relativistic Jets–I. A New Code for Relativistic HydrodynamicsSeo, Jeongbhin; Kang, Hyesung; Ryu, Dongsu, et alARTICLE10 A Simulation Study of Ultra-relativistic Jets–I. A New Code for Relativistic Hydrodynamics
2021-10Inefficient Magnetic-Field Amplification in Supersonic Laser-Plasma TurbulenceBott, A. F. A.; Chen, L.; Boutoux, G., et alARTICLE55 Inefficient Magnetic-Field Amplification in Supersonic Laser-Plasma Turbulence
2021-07Effects of Multiscale Plasma Waves on Electron Preacceleration at Weak Quasi-perpendicular Intracluster ShocksHa, Ji-Hoon; Kim, Sunjung; Ryu, Dongsu, et alARTICLE61 Effects of Multiscale Plasma Waves on Electron Preacceleration at Weak Quasi-perpendicular Intracluster Shocks
2021-07Supernova Model Discrimination with Hyper-KamiokandeAbe, K.; Adrich, P.; Aihara, H., et alARTICLE92 Supernova Model Discrimination with Hyper-Kamiokande
2021-05Microinstabilities in the Transition Region of Weak Quasi-perpendicular Intracluster ShocksKim, Sunjung; Ha, Ji-Hoon; Ryu, Dongsu, et alARTICLE72 Microinstabilities in the Transition Region of Weak Quasi-perpendicular Intracluster Shocks
2021-04Exact solution of one-dimensional relativistic jet with relativistic equation of stateJoshi, Raj Kishor; Chattopadhyay, Indranil; Ryu, Dongsu, et alARTICLE59 Exact solution of one-dimensional relativistic jet with relativistic equation of state
2021-04Downstream Depolarization in the Sausage Relic: A 1-4 GHz Very Large Array StudyDi Gennaro, G.; van Weeren, R. J.; Rudnick, L., et alARTICLE69 Downstream Depolarization in the Sausage Relic: A 1-4 GHz Very Large Array Study
2021-03Time-resolved turbulent dynamo in a laser plasmaBott, Archie F. A.; Tzeferacos, Petros; Chen, Laura, et alARTICLE56 Time-resolved turbulent dynamo in a laser plasma
2021-03The Cosmic-Ray Composition between 2 PeV and 2 EeV Observed with the TALE Detector in Monocular ModeAbbasi, R. U.; Abe, M.; Abu-Zayyad, T., et alARTICLE57 The Cosmic-Ray Composition between 2 PeV and 2 EeV Observed with the TALE Detector in Monocular Mode
2021-01Modeling of Cosmic-Ray Production and Transport and Estimation of Gamma-Ray and Neutrino Emissions in Starburst GalaxiesHa, Ji-Hoon; Ryu, Dongsu; Kang, HyesungARTICLE40 Modeling of Cosmic-Ray Production and Transport and Estimation of Gamma-Ray and Neutrino Emissions in Starburst Galaxies
2020-12Observations of the Origin of Downward Terrestrial Gamma‐Ray FlashesBelz, J. W.; Krehbiel, P. R.; Remington, J., et alARTICLE151 Observations of the Origin of Downward Terrestrial Gamma‐Ray Flashes
2020-09SLAU2 applied to two-dimensional, ideal magnetohydrodynamics simulationsKitamura, Keiichi; Mamashita, Tomohiro; Ryu, DongsuARTICLE185 SLAU2 applied to two-dimensional, ideal magnetohydrodynamics simulations
2020-09Measurement of the proton-air cross section with Telescope Array's Black Rock Mesa and Long Ridge fluorescence detectors, and surface array in hybrid modeAbbasi, R. U.; Abe, M.; Abu-Zayyad, T., et alARTICLE98 Measurement of the proton-air cross section with Telescope Array's Black Rock Mesa and Long Ridge fluorescence detectors, and surface array in hybrid mode
2020-08Evidence for a Supergalactic Structure of Magnetic Deflection Multiplets of Ultra-high-energy Cosmic RaysAbbasi, R. U.; Abe, M.; Abu-Zayyad, T., et alARTICLE122 Evidence for a Supergalactic Structure of Magnetic Deflection Multiplets of Ultra-high-energy Cosmic Rays
2020-08Search for Large-scale Anisotropy on Arrival Directions of Ultra-high-energy Cosmic Rays Observed with the Telescope Array ExperimentAbbasi, R. U.; Abe, M.; Abu-Zayyad, T., et alARTICLE136 Search for Large-scale Anisotropy on Arrival Directions of Ultra-high-energy Cosmic Rays Observed with the Telescope Array Experiment
2020-08Search for Ultra-High-Energy Neutrinos with the Telescope Array Surface DetectorAbbasi, R. U.; Abe, M.; Abu-Zayyad, T., et alARTICLE98 Search for Ultra-High-Energy Neutrinos with the Telescope Array Surface Detector
2020-06Limiting the shock acceleration of cosmic ray protons in the ICMWittor, D; Vazza, F; Ryu, D, et alARTICLE171 Limiting the shock acceleration of cosmic ray protons in the ICM
2020-05Reconstruction of Radio Relics and X-Ray Tails in an Off-axis Cluster Merger: Hydrodynamical Simulations of A115Lee, Wonki; Jee, M. James; Kang, Hyesung, et alARTICLE163 Reconstruction of Radio Relics and X-Ray Tails in an Off-axis Cluster Merger: Hydrodynamical Simulations of A115
2020-04Gamma-Ray and Neutrino Emissions due to Cosmic-Ray Protons Accelerated at Intracluster Shocks in Galaxy ClustersHa, Ji-Hoon; Ryu, Dongsu; Kang, HyesungARTICLE180 Gamma-Ray and Neutrino Emissions due to Cosmic-Ray Protons Accelerated at Intracluster Shocks in Galaxy Clusters

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