361 citations · 1.6k across the 33 of their papers we have counts for
5 papers · 1 filter
Emergent Mott insulators and non-Hermitian conservation laws in an interacting bosonic chain with noninteger filling and nonreciprocal hopping
Zuo Wang, Li-Jun Lang, Liang He
We investigate the ground state and quantum dynamics of an interacting bosonic chain with the nonreciprocal hopping. In sharp contrast to its Hermitian counterpart, the ground stat…
Interplay of non-Hermitian skin effects and Anderson localization in non-reciprocal quasiperiodic lattices
Hui Jiang, Li-Jun Lang, Chao Yang +2
Non-Hermiticity from non-reciprocal hoppings has been shown recently to demonstrate the non-Hermitian skin effect (NHSE) under open boundary conditions (OBCs). Here we study the in…
Effects of Non-Hermiticity on Su-Schrieffer-Heeger Defect States
Li-Jun Lang, You Wang, Hailong Wang +1
We study the emergence and disappearance of defect states in the complex Su-Schrieffer-Heeger (cSSH) model, a non-Hermitian one-dimensional lattice model containing gain and loss o…
Topologically Enhanced Harmonic Generation in a Nonlinear Transmission Line Metamaterial
You Wang, Li-Jun Lang, Ching Hua Lee +2
Nonlinear transmission lines (NLTLs) are nonlinear electronic circuits commonly used for parametric amplification and pulse generation. It has previously been shown that harmonic g…
Nodal Brillouin Zone Boundary from Folding a Chern Insulator
Li-Jun Lang, Shao-Liang Zhang, Qi Zhou
Chern insulator is a building block of many topological quantum matters, ranging from quantum spin Hall insulators to fractional Chern insulators. Here, we discuss a new type of in…