72 citations · 223 across the 12 of their papers we have counts for
10 papers · 1 filter
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…
Maximal distant entanglement in Kitaev tube
P. Wang, S. Lin, G. Zhang +1
We study the Kitaev model on a finite-size square lattice with periodic boundary conditions in one direction and open boundary conditions in the other. Based on the fact that the M…
Parallel dynamics between non-Hermitian and Hermitian systems
P. Wang, S. Lin, L. Jin +1
We study the connection between a family of non-Hermitian Hamiltonians H and Hermitian ones H based on exact solutions. In general, for a dynamic process in a non-Hermitian system…
Wide-range-tunable Dirac-cone band structure in a chiral-time-symmetric non-Hermitian system
S. Lin, Z. Song
We establish a connection between an arbitrary Hermitian tight-binding model with chiral (C) symmetry and its non-Hermitian counterpart with chiral-time (CT ) symmetry.We show that…
Quantum phase transition induced by real-space topology
C. Li, G. Zhang, S. Lin +1
A quantum phase transition (QPT), including both topological and symmetry breaking types, is usually induced by the change of global parameters, such as external fields or global c…
Long-range entangled zero-mode state in a non-Hermitian lattice
S. Lin, X. Z. Zhang, C. Li +1
In contrast to a Hermitian system, in which zero modes are usually degenerate and localized edge state in the thermodynamic limit, the zero mode of a finite non-Hermitian system ca…
Non-Hermitian heat engine with all-quantum-adiabatic-process cycle
S. Lin, Z. Song
As a quantum device, a quantum heat engine (QHE) is described by a Hermitian Hamiltonian.However, since it is an open system, reservoirs have to be imposed phenomenologically witho…
Quench field sensitivity of two-particle correlation in a Hubbard model
X. Z. Zhang, S. Lin, Z. Song
Short-range interaction can give rise to particle pairing with a short-range correlation, which may be destroyed in the presence of an external field. We study the transition betwe…
Sudden death of particle-pair Bloch oscillation and unidirectional propagation in a one-dimensional driven optical lattice
S. Lin, X. Z. Zhang, Z. Song
We study the dynamics of bound pairs in the extended Hubbard model driven by a linear external field. It is shown that two interacting bosons or singlet fermions with nonzero on-si…
Amplitude control of a quantum state in a non-Hermitian Rice-Mele model driven by an external field
S. Lin, X. Z. Zhang, Z. Song
In the Hermitian regime, a Berry phase is always the real number. It may be imaginary for a non-Hermitian system, which leads to amplitude amplification or attenuation of an evolve…