38 citations · 54 across the 4 of their papers we have counts for
4 papers
Gate-tunable quantum pathways of high harmonic generation in graphene
Soonyoung Cha, Minjeong Kim, Youngjae Kim +14
Under strong laser fields, electrons in solids radiate high-harmonic fields by travelling through quantum pathways in Bloch bands in the sub-laser-cycle timescales. Understanding t…
Impact angle control of local intense d/d variations during shock-induced substorms
Denny M. Oliveira, James M. Weygand, Eftyhia Zesta +7
The impact of interplanetary shocks on the magnetosphere can trigger magnetic substorms that intensify auroral electrojet currents. These currents enhance ground magnetic field per…
Ultrafast zero balance of the oscillator-strength sum rule in graphene
Jaeseok Kim, Seong Chu Lim, Seung Jin Chae +5
Oscillator-strength sum rule in light-induced transitions is one general form of quantum-mechanical identities. Although this sum rule is well established in equilibrium photo-phys…
Ultrafast spin-resolved spectroscopy reveals dominant exciton dynamics in conducting polymer polyaniline
Soonyoung Cha, Yoochan Hong, Jaemoon Yang +7
The conducting polymer polyaniline (PANI) has a wide range of optoelectronic applications due to its unique electronic and optical characteristics. Although extensive works have be…