22 citations · 93 across the 16 of their papers we have counts for
16 papers
Symmetry classification of temporal reciprocity in time-varying electromagnetic media
Seulong Kim, Kihong Kim
Time-varying electromagnetic media exhibit rich nonstationary wave phenomena, but the symmetry governing reversal of arbitrary temporal modulation sequences has remained unclear. W…
Statistical regimes of electromagnetic wave propagation in randomly time-varying media
Seulong Kim, Kihong Kim
Wave propagation in time-varying media enables unique control of energy transport by breaking energy conservation through temporal modulation. Among the resulting phenomena, tempor…
Deterministic time rewinding of waves in time-varying media
Seulong Kim, Kihong Kim
Temporal modulation of material parameters offers unprecedented control over wave dynamics, enabling phenomena beyond the capabilities of static systems. Here we introduce and anal…
Disorder-enabled directional delocalization and wave steering in time-modulated Dirac materials
Seulong Kim, Kihong Kim
We demonstrate a disorder-enabled yet localization-immune directional transport channel in time-modulated Dirac systems subject to stochastic temporal variations of a vector potent…
Spatial localization and diffusion of Dirac particles and waves induced by random temporal medium variations
Seulong Kim, Kihong Kim
Wave propagation in time-varying media has attracted significant attention for its innovative potential to control wave-matter interactions and to develop versatile active material…
Scaling behavior of the localization length for TE waves at critical incidence on short-range correlated stratified random media
Seulong Kim, Kihong Kim
We theoretically investigate the scaling behavior of the localization length for -polarized electromagnetic waves incident at a critical angle on stratified random media with sh…
Propagation of Dirac waves through various temporal interfaces, slabs, and crystals
Seulong Kim, Kihong Kim
We investigate the influence of the temporal variations of various medium parameters on the propagation of Dirac-type waves in materials where the quasiparticles are described by a…
Giant overreflection of magnetohydrodynamic waves from inhomogeneous plasmas with nonuniform shear flows
Seulong Kim, Kihong Kim
We study theoretically mode conversion and resonant overreflection of magnetohydrodynamic waves in an inhomogeneous plane-stratified plasma in the presence of a nonuniform shear fl…
Mode conversion and resonant absorption in inhomogeneous materials with flat bands
Kihong Kim, Seulong Kim
Mode conversion of transverse electromagnetic waves into longitudinal oscillations and the associated resonant absorption of wave energy in inhomogeneous plasmas is a phenomenon th…
Mode conversion of extraordinary waves in stratified plasmas with an external magnetic field perpendicular to the directions of inhomogeneity and wave propagation
Seulong Kim, Kihong Kim
We study theoretically the mode conversion and the resonant absorption of high frequency electromagnetic waves into longitudinal modes in magnetized and stratified plasmas in the c…
Omnidirectional excitation of surface waves and super-Klein tunneling at the interface between two different bi-isotropic media
Seulong Kim, Kihong Kim
We study theoretically some unique characteristics of surface electromagnetic waves excited at the interface between two different kinds of general bi-isotropic media, which includ…
Anderson localization of two-dimensional massless pseudospin-1 Dirac particles in a correlated random one-dimensional scalar potential
Seulong Kim, Kihong Kim
We study theoretically Anderson localization of two-dimensional massless pseudospin-1 Dirac particles in a random one-dimensional scalar potential. We focus explicitly on the effec…
Anderson localization and delocalization of massless two-dimensional Dirac electrons in random one-dimensional scalar and vector potentials
Seulong Kim, Kihong Kim
We study Anderson localization of massless Dirac electrons in two dimensions in one-dimensional random scalar and vector potentials theoretically for two different cases, in which…
Excitation of surface waves on the interfaces of general bi-isotropic media
Seulong Kim, Kihong Kim
We study theoretically the characteristics of surface waves excited at the interface between a metal and a general bi-isotropic medium, which includes isotropic chiral media and Te…
Invariant imbedding theory of wave propagation in arbitrarily inhomogeneous stratified bi-isotropic media
Seulong Kim, Kihong Kim
Bi-isotropic media, which include isotropic chiral media and Tellegen media as special cases, are the most general form of linear isotropic media where the electric displacement an…
Resonant absorption and amplification of circularly-polarized waves in inhomogeneous chiral media
Seulong Kim, Kihong Kim
It has been found that in the media where the dielectric permittivity or the magnetic permeability is near zero and in transition metamaterials where or changes fro…