2 citations · 2 across the 8 of their papers we have counts for
8 papers
A calculation scheme for spectral densities of strongly correlated electron systems using exact diagonalization of dynamical mean field theory
Song-Jin O, Hak-Chol Pak, Kwang-Il Ryom +1
A new approach for calculating spectral density functions of strongly correlated electron systems is proposed within the exact diagonalization method of dynamical mean-field theory…
study of the adsorption and dissociation of nitrogen molecule on Fe(111) surface
Myong-Song Ryang, Nam-Hyok Kim, Song-Jin Im
The adsorption and dissociation of nitrogen molecule on Fe(111) surface is studied by density functional theory calculations. The simulation results show that the molecule needs to…
First-principles study on electron field emission from nanostructures
Hyon-Chol Choe, Nam-Hyok Kim, Hyok Kim +1
A first-principles approach is introduced to calculate electron field emission characteristics of nanostructures, based on the nonequilibrium Green function technique combined with…
Study on acoustic radiation impedance at aperture of a waveguide with circular cross section taking account of interaction between different guided modes
Kyong-Su Won, Myong-Jin Kim, Song-Jin Im
In this paper we simulated self- and mutual- acoustic impedances of guided modes at the aperture and estimated accuracy of the piston radiation approximation. We used the Rayleigh…
Theoretical prediction of the source-detector separation distance suited to the application of the spatially resolved spectroscopy from the near-infrared attenuation data cube of tissues
Yong-Wu Ri, Sung-Hu Jong, Song-Jin Im
The modified Beer-Lambert law (MBL) and the spatially resolved spectroscopy are used to measure the tissue oxidation in muscles and brains by the continuous wave near-infrared spec…
Study on the Electronic Structure and Stability of Some OPE(oligo-phenylene-ethynylene derivative)-RE3N@C80 Dyads by PM7
Kye-Ryong Sin, Sun-Gyong Ko, Hong-Gol O +1
In this paper, we investigated the electronic structure and stability of some mesomorphic OPE-RE3N@C80 dyads from the oligo-phenylene-ethynylene derivatives (OPE) and the trimetall…