148 citations · 866 across the 42 of their papers we have counts for
42 papers
ARPES Detection of Superconducting Gap Sign in Unconventional Superconductors
Qiang Gao, Jin Mo Bok, Ping Ai +20
Superconductivity is realized by opening a gap in the superconducting state. The gap symmetry is crucial in understanding the underlying superconductivity mechanism. The magnitude…
Ubiquitous Coexisting Electron-Mode Couplings in High Temperature Cuprate Superconductors
Hongtao Yan, Jin Mo Bok, Junfeng He +22
In conventional superconductors, the electron-phonon coupling plays a dominant role in pairing the electrons and generating superconductivity. In high temperature cuprate supercond…
The maximal superconductivity in proximity to charge density wave quantum critical point in CuTiSe
Tae-Ho Park, Obinna P. Uzoh, Han-Yong Choi
Superconductivity emerges in -TiSe when its charge density wave (CDW) order is suppressed by Cu intercalation or pressure. Since the CDW state is thought to be an excitonic…
Excitonic insulator emerging from semiconducting normal state in -TiSe
Jin Mo Bok, Jungseek Hwang, Han-Yong Choi
A new state of matter, an excitonic insulator (EI) state, was predicted to emerge from Bose-Einstein condensation of electron-hole pairs. Some candidate materials were suggested bu…
Dynamical effects on superconductivity in BCS-BEC crossover
Tae-Ho Park, Han-Yong Choi
We investigate the dynamical effects of pairing interaction on superconductivity in BCS-BEC crossover by studying the Holstein model at half-filling where the electron-phonon coupl…
How to pin down the pairing interaction for high Tc superconductivity in cuprates
Han-Yong Choi, Jin Mo Bok
The normal and pairing self-energies are the microscopic quantities which reflect and characterize the underlying interaction in superconductors. The momentum and frequency depende…