Theoretical Astrophysics Group

Korean Numerical Astrophysics Group (KNAG)

Fall 2009

Date/Time Presentation
December 18 (Friday), 3pm Kim, Ji Hee - Study of the Particle Energy Spectrum of EAS at the Ground
Park, Joon-Seung - MHD Turbulence in Expanding/Contracting Media
Prokhorov, Dmitry - ICM, SZE, ICS, NTE, NEI, ETC
Kang, Hyesung - Monte Carlo Simulations of Extensive Airshowers
November 27 (Friday), 3pm Kim, Yonghwi - Formation of Ring Galaxy: Comparison of Numerical Results between Particle and Grid-based Codes
Mondal, Soumen - Pseudo Potential in Kerr Geometry and its Applications
Ahn, Kyungjin - Toward a Self-Consistent Simulation of Cosmic Reionization History
October 23 (Friday), 3pm Kim, Hoon-Kyoo - Inverse Energy Cascade of Semi-two-dimensional Incompressible Turbulence
Ma, Renyi - Non-thermal Radiation from Cosmic Rays in Filaments
Ryu, Dongsu - Intergalactic Magnetic Field and Arrival Direction of Ultra-High-Energy Protons
September 25 (Friday), 3pm Roh, Soonyoung - Toward Telescope Array Experiments for Ultra-High Energy Cosmic Rays
Wu, Qingwen - Estimation of Magnetic Field Strength in the Turbulent Warm Ionized Medium
Cho, Jungyeon - Growth of Magnetic Fields by Turbulent Motions and Characteristic Scales of MHD Turbulence
September 4 (Friday), 3pm Lee, Hye-Seung - MagnetohydrodynamicTurbulence in Stratified Medium
Akahori, Takuya - Faraday Rotation Measure in the Large Scale Structure
Kim, Woong-Tae - Dynamical Friction in a Gaseous Medium

Fall 2008

Date/Time Presentation
November 28, 3:30pm Ma, Renyi - Multiband Spectrum of Cosmological Shock Accelerated CRs in Clusters of Galaxies
Kim, Hyosun - Nonlinear effects of Dynamical Friction
Kim, Chang-Goo - FFT Poi sson's Solver in Vertically Stratified Disks
October 17, 3:30pm Lee, Hye-Seung - Statist ics of MHD Turbulence in Stratified Media
Baek, Chang Hyun - The Intergalactic Propagation of Ultra-high Energy Cosmic Ray Nuclei
Ryu, Dongsu - Equation o f Sate for Relativistic Hydrodynamics in Astrophysics: Revised
August 29, 3pm Cho, Hyunjin - Study of Astrophysical Turbulence
Das, Santa - Statistical Analysis of Ultrahigh Energy Cosmic Rays
Kang, Hyesung - Key Science Projects for SKA

Spring 2008

Date/Time Presentation
May 30, 3pm Ma, Renyi - Magnetic Coupling Between the Black Hole and the Advection Dominated Accretion Flow
Seo, Youngmin - A Godunov Type Dusty Gas Dynamics Code in the Arbitrary Lagrangian-Eulerian Description
April 25, 3pm Stasielak, Jaroslaw - Imprints of the Sterile Neutrinos on CMB Radiation
Kim, Hyosun - Dynamical Friction of Black Hole Pairs at Gas-Rich Galactic Nuclei
Ryu, Dongsu - EoS and a Code for Relativisitc Hydrodynamics in Astrophysics
March 28, 3pm Choi, Eunwoo - Isothermal Magnetohydrodynamics with Ambipolar Diffusion
Das, Santabrata - Ultra-High Energy Cosmic Rays: Origin and Propagation
February 29, 3pm Kim, Chang-Goo - Galactic Spiral Shocks with Thermal Instability
Cho, Jungyeon - Magnetohydrodynamic Turbulence and Cosmic Ray Propagation
Kang, Hyesung - Numerical Studies of Diffusive Shock Acceleration

Fall 2007

Date/Time Presentation
November 30, 3pm Kim, Woong-Tae - Physical Properties of Tidal Features in Interacting Disk Galaxies
Sirotkin, Fedir - Planetary System Formation through Binary Star Merging
November 2, 3pm Ahn, Kyungjin - The Inhomogeneous Background of H2 Dissociating Radiation During Cosmic Reionization
Kim, Jongsoo - The Power Spectrum of Supersonic Turbulence in Perseus
October 5, 3pm Ryu, Dongsu - Turbulence and Magnetic Fields in the Large Scale Structure of the Universe
Bae, Jaehan - Turbulence Driving in the ISM by supernova explosions
Wu, Qingwen - The origin of X-ray emission in radio galaxy FR Is:ADAF or jet?

Spring 2007

Date/Time Presentation
May 25, 2007, 11am Das, Santabrata - Propagation of Ultrahigh Energy Cosmic Rays in Magnetized Large Scale Structure
May 4, 2007, 11am Cho, Jungyeon - Kinetic and Fluid Turbulent Cascades in Magnetized Weakly Collisional Astrophysical Plasmas (Schekochihin et al. astro-ph/0740.0044)
March 30, 2007, 11am Kang, Hyesung - Feedback from Multiple Supernova Explosions inside a Pre-existing Wind Bubbles
March 16, 2007, 11am Ryu, Dongsu - Numerical Relativistic MHD
March 2, 2007, 11am Dib, Sami - The Evolution of the Protostellar Mass Function: A Coalescence- Accretion Model