5 papers
Optical properties of iron-based superconductor LiFeAs single crystal
Byeong Hun Min, Jong Beom Hong, Jae Hyun Yoon +4
We have measured the reflectivity spectra of the iron based superconductor LiFeAs (Tc = 17.6 K) in the temperature range from 4 to 300 K. In the superconducting state (T < Tc), the…
Analysis of Laser ARPES from BiSrCaCuO in superconductive state: angle resolved self-energy and fluctuation spectrum
Jae Hyun Yun, Jin Mo Bok, Han-Yong Choi +3
We analyze the ultra high resolution laser angle resolved photo-emission spectroscopy (ARPES) intensity from the slightly underdoped BiSrCaCuO in the supercondu…
Extraction of Electron Self-Energy and Gap Function in the Superconducting State of Bi_2Sr_2CaCu_2O_8 Superconductor via Laser-Based Angle-Resolved Photoemission
Wentao Zhang, Jin Mo Bok, Jae Hyun Yun +28
Super-high resolution laser-based angle-resolved photoemission measurements have been performed on a high temperature superconductor Bi_2Sr_2CaCu_2O_8. The band back-bending charac…
Momentum Dependence of the Single-Particle Self-Energy and Fluctuation Spectrum of Slightly Underdoped Bi_2 Sr_2 CaCu_2 O_{8+δ} from High Resolution Laser ARPES
Jin Mo Bok, Jae Hyun Yun, Han-Yong Choi +3
We deduce the normal state angle-resolved single-particle self-energy and the Eliashberg function (i.e., the product of the fluctuation spectrum and its coupling to fermi…
Model for the inverse isotope effect of FeAs-based superconductors in the -phase-shifted pairing state
Han-Yong Choi, Jae Hyun Yun, Yunkyu Bang +1
The isotope effects for Fe based superconductors are considered by including the phonon and magnetic fluctuations within the two band Eliashberg theory. We show that the recently o…