Publications (131)
New variational perturbation theory based on $q-$deformed oscillator
Hyeong-Chan Kim, Jae Hyung Yee, Sang Pyo Kim
Magnetic Black Holes Are Also Unstable
Sang Pyo Kim, Don N. Page
Schwinger Pair Production in Pulsed Electric Fields
Sang Pyo Kim, Hyung Won Lee, Remo Ruffini
Renormalized Thermodynamic Entropy of Black Holes in Higher Dimensions
Sang Pyo Kim, Sung Ku Kim, Kwang-Sup Soh +1
Multiple-Scale Analysis and Renormalization of Quenched Second Order Phase Transitions
Sang Pyo Kim, Supratim Sengupta, F. C. Khanna
On the Vlasov equation for Schwinger pair production in a time-dependent electric field
Adolfo Huet, Sang Pyo Kim, Christian Schubert
Massive Scalar Field Quantum Cosmology
Sang Pyo Kim
Lessons from Schwinger Effective Action for Black Holes
Sang Pyo Kim
Boundary degrees of freedom in fractional quantum Hall effect: Excitations on common boundary of two samples
Dongsu Bak, Sang Pyo Kim, Sung Ku Kim +2
Coherent-Squeezed State Representation of Travelling General Gaussian Wave Packets
Sang Pyo Kim
Entropy Production and Thermodynamic Arrow of Time in a Recollapsing Universe
Sang Pyo Kim
One-Parameter Squeezed Gaussian States of Time-Dependent Harmonic Oscillator and Selection Rule for Vacuum States
Jung Kon Kim, Sang Pyo Kim
Effective Action and Schwinger Pair Production in Scalar QED
Sang Pyo Kim, Hyun Kyu Lee
Group Theoretical Approach to the Coherent and the Squeeze States of a Time-Dependent Harmonic Oscillator with a Singular Term
Jung Kon Kim, Sang Pyo Kim
The Effect of Brick Walls on the Black Hole Radiation
Sang Pyo Kim, Sung Ku Kim, Kwang-Sup Soh +1
Probing the Vacuum Structure of Spacetime
Sang Pyo Kim
Nonequilibrium Quantum Dynamics of Second Order Phase Transitions
Sang Pyo Kim, Chul H. Lee
Nonlinear Evolutions and Non-Gaussianity in Generalized Gravity
Seoktae Koh, Sang Pyo Kim, Doo Jong Song
Particle Production from Geometric Transition in Expanding Universe
Sang Pyo Kim
One-Loop Effective Action and Schwinger Effect in (Anti-) de Sitter Space
Rong-Gen Cai, Sang Pyo Kim
Inflationary Solutions in Nonminimally Coupled Scalar Field Theory
Seoktae Koh, Sang Pyo Kim, Doo Jong Song
Pair Production in Near Extremal Kerr-Newman Black Holes
Chiang-Mei Chen, Sang Pyo Kim, Jia-Rui Sun +1
Nonequilibrium Self-Interacting Quantum Fields in Cosmology: The Liouville-Neumann Approach
Sang Pyo Kim
Gravitational Collapse and Calogero Model
Dongsu Bak, Sang Pyo Kim, Sung Ku Kim +2
Canonical Quantization of a Closed Euclidean Universe with a Cosmological Constant
Sang Pyo Kim
Landau Levels of Scalar QED in Time-Dependent Magnetic Fields
Sang Pyo Kim
Quantum Remnant as Dark Energy and Dark Matter
Sang Pyo Kim, Seoktae Koh
Schwinger Effect, Hawking Radiation and Gauge-Gravity Relation
Sang Pyo Kim
Nonequilibrium Extension of the Landau-Lifshitz-Gilbert Equation for Magnetic Systems
Jeongwon Ho, B. C. Choi, F. C. Khanna +1
Quantum Cosmology for Tunneling Universes
Sang Pyo Kim
Complex Effective Action and Schwinger Effect
Sang Pyo Kim
Nonequilibrium Quantum Scalar Fields in Cosmology
Sang Pyo Kim
Unitarity Condition on Quantum Fields in Semiclassical Gravity
Sang Pyo Kim
Dynamical Theory of Disoriented Chiral Condensates at QCD Phase Transition
Sang Pyo Kim
Hawking Radiation as Quantum Tunneling in Rindler Coordinate
Sang Pyo Kim
Matrix Operator Approach to the Quantum Evolution Operator and the Geometric Phase
Sang Pyo Kim, Jewan Kim, Kwang Sup Soh
Classical and Quantum Surgery of Geometries in an Open Inflationary Universe
Sang Pyo Kim
Unruh effect and Schwinger pair creation under extreme acceleration by ultraintense lasers
Chul Min Kim, Sang Pyo Kim
Elliptic Flow, Kasner Universe and Holographic Dual of RHIC Fireball
Sang-Jin Sin, Shin Nakamura, Sang Pyo Kim
Invariant Operators vs Heisenberg Operators for Time-Dependent Generalized Oscillators
Sang Pyo Kim
Construction of Exact Ermakov-Pinney Solutions and Time-Dependent Quantum Oscillators
Sang Pyo Kim, Won Kim
Effect of a magnetic field on Schwinger mechanism in de Sitter spacetime
Ehsan Bavarsad, Sang Pyo Kim, Clément Stahl +1
Quasinormal modes of black holes and dissipative open systems
Sang Pyo Kim
Problem of Unitarity and Quantum Corrections in Semiclassical Quantum Gravity
Sang Pyo Kim
Non-Gaussian Effects on Domain Growth
Sang Pyo Kim, F. C. Khanna
Spacetime structure of 5D hypercylindrical vacuum solutions with tension
Inyong Cho, Gungwon Kang, Sang Pyo Kim +1
Strong Scalar QED in Inhomogeneous Electromagnetic Fields
Sang Pyo Kim
Quantum Dynamics for de Sitter Radiation
Sang Pyo Kim
Vacuum Persistence and Inversion of Spin Statistics in Strong QED
Sang Pyo Kim, W-Y. Pauchy Hwang
Spontaneous Pair Production in Reissner-Nordstrom Black Holes
Chiang-Mei Chen, Sang Pyo Kim, I-Chieh Lin +2
Third Quantization and Quantum Universes
Sang Pyo Kim
Ellipsoidal universe in the brane world
Xian-Hui Ge, Sang Pyo Kim
General Form of Magnetization Damping: Magnetization dynamics of a spin system evolving nonadiabatically and out of equilibrium
F. M. Saradzhev, F. C. Khanna, Sang Pyo Kim +1
Squeezed States of the Generalized Minimum Uncertainty State for the Caldirola-Kanai Hamiltonian
Sang Pyo Kim
Nonequilibrium Quantum Evolution of Open Systems
Sang Pyo Kim
Black Hole Decay and Quantum Instantons
Donsu Bak, Sang Pyo Kim, Sung Ku Kim +2
Classical and Quantum Action-Phase Variables for Time-Dependent Oscillators
Sang Pyo Kim, Don N. Page
Schwinger Pair Production at Finite Temperature in Scalar QED
Sang Pyo Kim, Hyun Kyu Lee
Decoherence of Quantum Damped Oscillators
Sang Pyo Kim, Ademir E. Santana, F. C. Khanna
Schwinger mechanism in dS_2 and AdS_2 revisited
Sang Pyo Kim, W-Y. Pauchy Hwang, Tse-Chun Wang
Loss of Quantum Coherence and Positivity of Energy Density in Semiclassical Quantum Gravity
Sang Pyo Kim, Kwang-Sup Soh
Effective Action and Schwinger Pair Production in Strong QED
Sang Pyo Kim
Quantum Field Theory in a Topology Changing Universe
Sang Pyo Kim
Renormalization of Black Hole Entropy
Sang Pyo Kim, Sung Ku Kim, Kwang-Sup Soh +1
Dynamical Theory of Phase Transitions and Topological Defect Formation in the Early Universe
Sang Pyo Kim
Gravitational Wave Spectrum in Inflation with Nonclassical States
Seoktae Koh, Sang Pyo Kim, Doo Jong Song
The Stokes Phenomenon and Quantum Tunneling for de Sitter Radiation in Nonstationary Coordinates
Sang Pyo Kim
Semiclassical Limit and Time in Quantum Cosmology
Dongsu Bak, Sang Pyo Kim, Sung Ku Kim +2
Emergence of Classicality in Quantum Phase Transitions
Sang Pyo Kim, Chul H. Lee
Ricci Flat Black Holes and Hawking-Page Phase Transition in Gauss-Bonnet Gravity and Dilaton Gravity
Rong-Gen Cai, Sang Pyo Kim, Bin Wang
New Asymptotic Expanstion Method for the Wheeler-DeWitt Equation
Sang Pyo Kim
Schwinger Effect in (A)dS and Charged Black Hole
Sang Pyo Kim
Exact Quantum-Statistical Dynamics of Time-Dependent Generalized Oscillators
Sang Pyo Kim, Don N. Page
Quantum Entanglement and Teleportation in Higher Dimensional Black Hole Spacetimes
Xian-Hui Ge, Sang Pyo Kim
In-Out Formalism for One-Loop Effective Actions in QED and Gravity
Sang Pyo Kim
Nonperturbative QED Effective Action at Finite Temperature
Sang Pyo Kim, Hyun Kyu Lee, Yongsung Yoon
New Geometric Transition as Origin of Particle Production in Time-Dependent Backgrounds
Sang Pyo Kim
Phase Transitions in the Early Universe
W-Y. Pauchy Hwang, Sang Pyo Kim
Second Quantized Scalar QED in Homogeneous Time-Dependent Electromagnetic Fields
Sang Pyo Kim
QED Actions in Supercritical Fields
Sang Pyo Kim, Hyun Kyu Lee
Quantum Potential and Cosmological Singularities
Sang Pyo Kim
Schwinger Pair Production in Solitonic Gauge Fields
Sang Pyo Kim
Wave Functions for Quantum Black Hole Formation in Scalar Field Collapse
Dongsu Bak, Sang Pyo Kim, Sung Ku Kim +2
Schwinger Mechanism and Hawking Radiation as Quantum Tunneling
Sang Pyo Kim
Liouville-Neumann Approach to the Nonperturbative Quantum Field Theory
Sang Pyo Kim
Non-adiabatic Quantum Vlasov Equation for Schwinger Pair Production
Sang Pyo Kim, Christian Schubert
Electromagnetic fields in a 3D cavity and in a waveguide with oscillating walls
Jeong-Young Ji, Kwang-Sup Soh, Rong-Gen Cai +1
Generalized Vaidya Spacetime in Lovelock Gravity and Thermodynamics on Apparent Horizon
Rong-Gen Cai, Li-Ming Cao, Ya-Peng Hu +1
Quantum Fluctuations and Particle Production of Coherently Oscillating Inflaton
Jung Kon Kim, Sang Pyo Kim
Master formulas for the dressed scalar propagator in a constant field
Aftab Ahmad, Naser Ahmadiniaz, Olindo Corradini +2
QED Effective Action in Magnetic Field Backgrounds and Electromagnetic Duality
Sang Pyo Kim
Fractal Diffraction Grating
Dongsu Bak, Sang Pyo Kim, Sung Ku Kim +2
Schwinger Pair Production in dS_2 and AdS_2
Sang Pyo Kim, Don N. Page
Effective Action of QED in Electric Field Backgrounds
Sang Pyo Kim, Hyun Kyu Lee, Yongsung Yoon
Improved Approximations for Fermion Pair Production in Inhomogeneous Electric Fields
Sang Pyo Kim, Don N. Page
de Sitter Radiation and Backreaction in Quantum Cosmology
Je-An Gu, Sang Pyo Kim, Che-Min Shen
Schwinger Pair Production in Electric and Magnetic Fields
Sang Pyo Kim, Don N. Page
Remarks on Schwinger Pair Production by Charged Black Holes
Sang Pyo Kim, Don N. Page
Scalar QED Action Density and Schwinger Pair Production in (A)dS_2
Sang Pyo Kim
Schwinger Effect, Hawking Radiation, and Unruh Effect
Sang Pyo Kim