158 citations · 570 across the 11 of their papers we have counts for
11 papers
Scattering properties of anti-parity-time symmetric non-Hermitian system
L. Jin
We investigate the scattering properties of an anti-parity-symmetric non-Hermitian system. The anti-parity-symmetric scattering center possesses imaginary nearest-neighbor hoppings…
Topological phases and edge states in a non-Hermitian trimerized optical lattice
L. Jin
Topologically engineered optical materials support robust light transport. Herein, the investigated non-Hermitian lattice is trimerized and inhomogeneously coupled using uniform in…
Symmetry protected topological phases characterized by isolated exceptional points
S. Lin, L. Jin, Z. Song
Exceptional point (EP) associated with eigenstates coalescence in non-Hermitian systems has many exotic features. The EPs are generally sensitive to system parameters, here we repo…
Reciprocal and unidirectional scattering of parity-time symmetric structures
L. Jin, X. Z. Zhang, G. Zhang +1
Parity-time (PT) symmetry is of great interest. The reciprocal and unidirectional features are intriguing besides the PT symmetry phase transition. Recently, the reciprocal transmi…
Hermitian scattering behavior for the non-Hermitian scattering center
L. Jin, Z. Song
We study the scattering problem for the non-Hermitian scattering center, which consists of two Hermitian clusters with anti-Hermitian couplings between them. Counterintuitively, it…
Hermitian dynamics in a class of pseudo-Hermitian networks
L. Jin, Z. Song
We investigate the connection between pseudo-Hermitian and Hermitian descriptions for a lattice, which consists of a set of isomorphic pseudo-Hermitian clusters. We show that such…
A physical interpretation for the non-Hermitian Hamiltonian
L. Jin, Z. Song
We explore a way of finding the link between a non-Hermitian Hamiltonian and a Hermitian one. Based on the analysis of Bethe Ansatz solutions for a class of non-Hermitian Hamiltoni…
Perfect coherent shift of bound pairs in strongly correlated systems
L. Jin, Z. Song
In the present work we extend the concept of coherent shift for the extended Bose-Hubbard model and Fermi-Hubbard model. We present two types of local bound pair (BP) for Bose syst…
Rigorous results for tight-binding networks: particle trapping and scattering
L. Jin, Z. Song
We investigate the particle trapping and scattering properties in a tight-binding network which consists of several subgraphs. The particle trapping condition is proved under which…
Solutions of PT symmetric tight-binding chain and its equivalent Hermitian counterpart
L. Jin, Z. Song
We study the Non-Hermitian quantum mechanics for the discrete system. This paper gives an exact analytic single-particle solution for an -site tight-binding chain with two conju…
Coherent shift of localized bound pair in Bose Hubbard model
L. Jin, B. Chen, Z. Song
Based on the exact results obtained by Bethe ansatz, we demonstrate the existence of stable bound pair (BP) wave packet in Bose Hubbard model with arbitrary on-site interaction U.…