List of Korean lecturers for The 9th Italian-Korean Symposium on Relativistic Astrophysics
19 - 24 July, 2005 Seoul, Korea - Kumgang Mt. D.P.R. Korea
N.	Surname	Name	Keumkang Mt	Arrival	Departure	Affiliation	fax number	e-mail	Address	Title of talk	Abstract
1	Kim	Sung-Won	Yes			Ewha Womans University	+82-2-32772684	sungwon@ewha.ac.kr	Department of Science Education, Ewha Womans University, Seo Dae Moon Gu, Seoul 120-750, Korea	Gravitational perturbation and quasi-normal mode for wormhole	Recently the detections of the gravitational waves become one of the important issues. There are some candidates for the gravitational wave sources. As the unknown source that could not be identified by typical interpretations, we propose the waves from the perturbation of the exotic source which consists of exotic matter that violates the known energy conditions. From the results, the wave forms that characterize the sources and radiated energy from the source are found.
2	Kim	Sang Pyo	Yes			Kunsan National University	+82-63-4694561	sangkim@kunsan.ac.kr	Department of Physics, Kunsan National University, Kunsan 573-701, Korea	Nonequilibrium phase transitions in an inflationary universe	We review the current issues of nonequilibrium phase transitions, in particular, in the early Universe. Phse transitions cannot maintain thermal equilibrium and become nonequilibrium when the thermal relaxation time scale is bigger than the dynamical time scale. Such nonequilibrium phase transitions would have happened in certain evolution stages of the early Universe because the rapid expansion quenched matter fields. We discuss the physical implications of nonequilibrium phase transitions in the early Universe. In particular, it is shown that higher order quantum corrections decrease the density of topological defects.
3	Kim	Yoon Bai	Yes					yoonbai@skku.edu		Cosmological Implication of Antisymmetric Tensor Field on D-branes	We discuss cosmological implication of antisymmetric tensor field when it experiences a kind of ``Higgs mechanism'' including nonlocal interaction terms on D-branes.
4	Lee	Hyun Kyu	No			Hanyang University	+82-2-22956868	hyunkyu@hanyang.ac.kr	Department of Physics, Hanyang University, Seoul 133-794, Korea	Gravitational wave from a black hole - torus system at the center of GRB	We consider the possible  gravitational wave radiation from a center of GRB,  which consists of a  rotating black hole and a torus.  We propose  gravitational waves  generated by  the precession of the torus.  Using the typical values of black hole mass, mass and radius of torus, one can expect gravitational wave production with frequencies roughly in the range of $10^2 $ up to $10^3$ Hz.   In the small wobble angle approximation, the amplitude is found to be not smaller than the  recent estimation for a precessing neutron star. The effect of the back reaction of gravitational radiation as well as the magnetic alignment process  is also  discussed.
5	Lee	Hyung Won	Yes			Inje University	+82-55-3203303,    +39-085-4219836	hwlee@inje.ac.kr	ICRA, School of Computer Aided Science, Inje University, 607 Obang-dong, Gimhae 621-749, Korea	Schwarzschild solution with numerical relativity	We studied the gauge conditions for initial value problems for numerical general relativity.
6	Song	Doo Jong	Yes			Korea Astronomy Observatory	+82-42-8615610	djsong@kao.re.kr	Astrophysics Group, Korea Astronomy Observatory, 61-1 Whaam-dong, Daejeon 305-348, Korea	Distortion of Thermal Sunyaev-Zeldovich Spectrum due to temperature structures of cluster of galaxies	X-ray observations of some clusters of galaxies offer evidence that temperature maps have shown significance spatial temperature structures. We study the Boltzmann transport equation to calculate how the presence of intracluster medium temperature structures distort the thermal Sunyaev-Zeldovich spectrum.
7	Lee	Chul H.	Yes			Hanyang University		chulhoon@hanyang.ac.kr	Department of Physics, Hanyang University, Seoul 133-794, Korea	Magnetic Alignment of a Black Hole	When the rotation axis of a black hole is not aligned with the direction of surrounding magnetic field, a torque is generated on the black hole. The black hole can then go through the alignment process during which the rotational energy of the black hole can be extracted. The effectiveness of this energy extraction process is compared with that of the Blandford-Znajek process.
8	Kang	Young Woon	Yes			Sejong University		kangyw@sejong.ac.kr	Department of Physics, Sejong University, 98, Gunja-Dong, Gwangjin-Gu,Seoul, 143-747, Korea	Apsidal motion of eclipsing binaries	TBA
9	Park	Myeong Gu	Yes			Kyungpook National University	+82-53-9506359	mgp@knu.ac.kr	Department of Physics, Kyungpook National, 1370, Sankyuk-Dong, Buk -Gu, Daegu, 702-701, Korea	Three-Dimensional Radiation Hydrodynamics in General Relativity	I will review the general aspects of radiation hydrodynamics in general relativity. Various relativistic effects in radiative transfer and hydrodynamics will be explained and discussed. I will also show how the covarariant radiation hydrodynamic equations can be derived from the mixed-frame tensor formalism, which can be applied to any background spacetime and to any flow geometry. Some examples of the equations are explicitly given.
10	Lee	Hee-Won	Yes			Sejong University		hwlee@sejong.ac.kr	Department of Physics, Sejong University, 98, Gunja-Dong, Gwangjin-Gu,Seoul, 143-747, Korea	TBA
11	Kim	Jin-Young	Yes			Kunsan National University		jykim@kunsan.ac.kr	Department of Physics, Kunsan National University, Kunsan 573-701, Korea	Brane gas cosmology and extra dimension	We consider the late-time behavior of a universe in the framework of brane gas cosmology. We study the evolution of a universe with a gas of supergravity particles and a gas of branes. Considering the case when different dimensions are anisotropically wrapped by various branes, we have derived Friedman-like equations governing the dynamics of wrapped and unwrapped subvolumes. We found that one cannot keep the extra dimensions compact with one or two dimensional brane gases.
12	Lee	Chang Hwan	No			Busan University		clee@pusan.ac.kr	Department of Physics, Pusan National University, 30 Jangjeon-dong, Geumjeong-gu, Busan 609-731, Korea	Double Neutron Star Binaries : Implication for LIGO and Dense Matter	In the light of recent observations we would like to review some ofour past research on the evolution of compact binaries, especially those containing neutron stars. This is currently of interest because the recent discovery of the double pulsar has substantially increased the number of binary neutron stars that will merge gravitationally, giving signals to LIGO. We found that the observed masses of double neutron star binaries are consistent with the lower maximum mass of neutron star, about 1.5 solar mass. This indicates the soft equation of state in dense matter.
13	Hong	Soon-Tae	Yes			Ewha Womans University		soonhong@ewha.ac.kr	Department of Science Education, Ewha Womans University, Seo Dae Moon Gu, Seoul 120-750, Korea	Higher dimensional embeddings of roating Schwarzschild black holes	Exploiting a rotating Schwarzschild black hole metric, we study hydrodynamic properties of perfect fluid whirling inward toward the black holes along a conical surface.  On the equatorial plane of the rotating Schwarzschild black hole, we derive radial equations of motion with effective potentials and the Euler equation for steady state axisymmetric fuid. Moreover, numerical analysis is performed to figure out effective potentials of particles on the rotating Schwarzschild manifolds in terms of angular velocity, total energy and angular momentum per unit rest mass.  Higher dimensional global embeddings are also constructed inside and outside the event horizons of the rotating Schwarzschild black holes.
14	Chae	Kyu Hyun	Yes			Sejong University		chae@sejong.ac.kr	Department of Physics, Sejong University, 98, Gunja-Dong, Gwangjin-Gu,Seoul, 143-747, Korea	Combining recent galaxy surveys and the Cosmic Lens All-Sky Survey	We analyze the statistics of multiple-imaging by gravitational lenses based on the recently completed Cosmic Lens All-Sky Survey (CLASS) and recent galaxy surveys including the SDSS. We derive updated results on cosmological parameters as well as some parameters for the early-type galaxy population.
15	Koh	Seok Tae	Yes			Ewha Womans University		kohst@ihanyang.ac.kr	Department of Science Education, Ewha Womans University, Seo Dae Moon Gu, Seoul 120-750, Korea	Nonlinear evolutions and non-Gaussianity in nonminimally coupled scalar field theory	We use the Hamilton-Jacobi theory to study the nonlinear evolutions of inhomogeneous spacetimes during inflation in which the scalar field couples nonminimally with the spacetime curvature. In the long-wavelength approximation, we solve numerically the lowest order Hamilton-Jacobi equation and compare with the analytic solutions.With these solutions, we calculate the non-Gaussianity which is characterized by nonlinear parameter $f_{NL}$.
16	Rey	Soo Jong	No			Seoul University		sjrey@phys.snu.ac.kr		아인쉬타인도 다 틀리네!	뉴턴 만유인력의 근원을 설명한 아인슈타인의 일반상대론은 우주나  천체 그리고 지구환경과 같은 거시세계에서는 잘 맞지만 원자핵 이하의 범위에 해당하는 미시시계에서는 양자원리와 서로 모순을 드러내 맞지 않는다. 양자원리와 중력원리를 동시에 설명하려는 지난 50년간의 시도를 소개하고 1984년 유일한 해답으로 제시된 끈 이론(string theory)의 기초적인 소개와 지난 20년간의 발전상을 소개한다. 특히, 세상은 홀로그램의 영상과 같다는 "홀로그래피 원리"를 집중소개하고 이러한 예로 블랙홀을 만들어내는 방법을 제시하고자 한다. 마지막으로 앞으로 20년 이후 전개될 미시세계의 법칙에 대하여 예상하고 이로부터 끈 이론과 홀로그래피원리를 떠오르는 물리학으로 발전해나갈 모습을 소개하고자 한다.
17	Yang	Jongmann	Yes			Ewha Womans University		jyang@ewha.ac.kr	Department of Science Education, Ewha Womans University, Seo Dae Moon Gu, Seoul 120-750, Korea	Korean Ultra High Energy Cosmic Ray School Array Experiment	COREA(COsmic ray Research and Education Array in KOREA) is a recently proposed ground based school array experiment to measure ultra high energy cosmic ray utilizing very compact south Korean high school system. We will present the main scientific and educational objectives and preliminary conceptual design of the experiment.