3 papers
cond-mat.mes-hall2026
Electron Delocalization versus Emission Coherence of Quantum Dot Superlattices
Lanfang Hou, Zijian He, Kexin Wang +3
Cooperative emission is a collective quantum optical process that requires macroscopic phase coherence among coupled emitters. Recent observations of cooperative emission in QD sup…
cond-mat.mtrl-sci2026
Electrically tunable circular photocurrent via local-field induced symmetry breaking at a metal-MoTe2 interface
Butian Zhang, Kexin Wang, Jun-Tao Ma +7
Transition metal dichalcogenides (TMDCs) constitute a promising platform for symmetry-engineered responses to circularly polarized light. The high crystal symmetry of centrosymmetr…
cond-mat.mtrl-sci2024
Circular Photocurrents in Centrosymmetric Semiconductors with Hidden Spin Polarization
Kexin Wang, Butian Zhang, Chengyu Yan +2
Centrosymmetric materials with site inversion asymmetries possess hidden spin polarization, which remains challenging to be converted into spin currents because the global inversio…