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Optically controlled single-valley exciton doublet states with tunable internal spin structures and spin magnetization generation
Jiawei Ruan, Zhenglu Li, Chin Shen Ong +1
Manipulating quantum states through light-matter interactions has been actively pursued in two-dimensional (2D) materials research. Significant progress has been made towards the o…
Two-gap superconductivity and decisive role of rare-earth electrons in infinite-layer nickelates
Zhenglu Li, Steven G. Louie
We present a theoretical prediction of a phonon-mediated two-gap superconductivity in infinite-layer nickelates NdSrNiO by performing …
Exciton-Driven Renormalization of Quasiparticle Band Structure in Monolayer MoS2
Yi Lin, Yang-hao Chan, Woojoo Lee +7
Optical excitation serves as a powerful approach to control the electronic structure of layered Van der Waals materials via many-body screening effects, induced by photoexcited fre…
Role of electron-phonon coupling in excitonic insulator candidate Ta2NiSe5
Cheng Chen, Xiang Chen, Weichen Tang +15
Electron-hole bound pairs, or excitons, are common excitations in semiconductors. They can spontaneously form and ``condense'' into a new insulating ground state -- the so-called e…
Many-Body Effects in the X-ray Absorption Spectra of Liquid Water
Fujie Tang, Zhenglu Li, Chunyi Zhang +4
X-ray absorption spectroscopy (XAS) is a powerful experimental technique to probe the local order in materials with core electron excitations. Experimental interpretation requires…
Nature of novel moiré exciton states in WSe/WS heterobilayers
Mit H. Naik, Emma C. Regan, Zuocheng Zhang +18
Moiré patterns of transition metal dichalcogenide (TMD) heterobilayers have proven to be an ideal platform to host unusual correlated electronic phases, emerging magnetism, and cor…