376 citations · 7.2k across the 150 of their papers we have counts for
47 papers · 1 filter
Three-body bound states of two bosons and one impurity in one dimension
Yanxia Liu, Yi-Cong Yu, Shu Chen
We investigate one-dimensional three-body systems composed of two identical bosons and one imbalanced atom (impurity) with two-body and three-body zero-range interactions. For the…
Interaction induced dynamical symmetry breaking in dissipative Fermi-Hubbard models
Lei Pan, Xueliang Wang, Xiaoling Cui +1
We investigate the dynamical properties of one-dimensional dissipative Fermi-Hubbard models, which are described by the Lindblad master equations with site-dependent jump operators…
Interacting non-Hermitian ultracold atoms in a harmonic trap: Two-body exact solution and high-order exceptional point
Lei Pan, Shu Chen, Xiaoling Cui
We study interacting ultracold atoms in a three-dimensional (3D) harmonic trap with spin-selective dissipations, which can be effectively described by non-Hermitian parity-time ($\…
High order exceptional points in ultracold Bose gases
Lei Pan, Shu Chen, Xiaoling Cui
We show that arbitrarily high-order exceptional points (EPs) can be achieved in a repulsively interacting two-species Bose gas in one dimension. By exactly solving the non-Hermitia…
Local manipulation of quantum magnetism in 1D ultracold Fermi gases across narrow resonances
Lei Pan, Xiaoling Cui, Shu Chen
Effective range is a quantity to characterize the energy dependence in two-body scattering strength, and is widely used in cold atomic systems especially across narrow resonances.…
Dynamical evolutions in non-Hermitian triple-well system with complex potential
Liping Guo, Lei Du, Chuanhao Yin +2
We investigate the dynamical properties for non-Hermitian triple-well system with a loss in the middle well. When chemical potentials in two end wells are uniform and nonlinear int…
Many-body stabilization of a resonant p-wave Fermi gas in one dimension
Lei Pan, Shu Chen, Xiaoling Cui
Using the asymptotic Bethe Ansatz, we study the stabilization problem of the one-dimensional spin-polarized Fermi gas confined in a hard-wall potential with tunable p-wave scatteri…
Phase diagram of a generalized off-diagonal Aubry-André model with p-wave pairing
Tong Liu, Pei Wang, Shu Chen +1
Off-diagonal Aubry-André (AA) model has recently attracted a great deal of attention as they provide condensed matter realization of topological phases. We numerically study a gene…
Zeros of Loschmidt echo in the presence of Anderson localization
Honghao Yin, Shu Chen, Gao Xianlong +1
We study the Loschmidt echo and the dynamical free energy of the Anderson model after a quench of the disorder strength. If the initial state is extended and the eigenstates of the…
Topological Phase Transition and Charge Pumping in a One-Dimensional Periodically Driven Optical Lattice
Zhihao Xu, Yunbo Zhang, Shu Chen
Experimental realizations of topological quantum systems and detections of topological invariants in ultracold atomic systems have been a greatly attractive topic. In this work, we…
Spectroscopy and spin dynamics for strongly interacting few spinor bosons in one-dimensional traps
Yanxia Liu, Shu Chen, Yunbo Zhang
We consider a one-dimensional trapped gas of strongly interacting few spin-1 atoms which can be described by an effective spin chain Hamiltonian. Away from the SU(3) integrable poi…
Exact ordering of energy levels for one-dimensional interacting Fermi gases with symmetry
Lei Pan, Yanxia Liu, Haiping Hu +2
Based on the exact solution of one-dimensional Fermi gas systems with symmetry in a hard wall, we demonstrate that we are able to sort the ordering of the lowest energy eig…
Quantum walks in commensurate off-diagonal Aubry-André-Harper model
Li Wang, Na Liu, Shu Chen +1
Due to the topological nature of Aubry-André-Harper (AAH) model, exotic edge states have been found existing in one-dimensional periodic and quasiperiodic lattices. In this article…
Exotic Multi-fold Vortex Lattices of Spin-Orbit Coupled Bose-Einstein Condensates in Optical Lattices
Ben Li, Shu Chen
We investigate the ground state of two-dimensional Bose-Einstein condensates with Rashba spin-orbit coupling in square optical lattices and demonstrate the existence of rich phases…
Quantum walks accompanied by spin flipping in one-dimensional optical lattices
Li Wang, Na Liu, Shu Chen +1
We investigate continuous-time quantum walks of two fermionic atoms loaded in one-dimensional optical lattices with on-site interaction and subjected to a Zeeman field. The quantum…
Topologically nontrivial states in one-dimensional nonlinear bichromatic superlattices
C. S. Liu, Z. Z. Wang. Chuanhao Yin, Y. D. Wu +3
We study topological properties of one-dimensional nonlinear bichromatic superlattices and unveil the effect of nonlinearity on topological states. We find the existence of nontriv…
Strongly interacting one-dimensional quantum gas mixtures with weak p-wave interactions
Haiping Hu, Lei Pan, Shu Chen
We study one-dimensional strongly interacting quantum gas mixtures, including both the Bose-Fermi and spin-1/2 Fermi-Fermi mixtures, with weak p-wave interactions between intra-com…
Strongly interacting Bose-Fermi mixtures in one dimension
Haiping Hu, Liming Guan, Shu Chen
We study one-dimensional strongly interacting Bose-Fermi mixtures by both the exact Bethe-ansatz method and variational perturbation theory within the degenerate ground state subsp…
Complete phase diagram and topological properties of interacting bosons in one-dimensional superlattices
Tianhe Li, Huaiming Guo, Shu Chen +1
The interacting bosons in one-dimensional inversion-symmetric superlattices are investigated from the topological aspect. The complete phase diagram is obtained by an atomic-limit…
Dynamical Anderson transition in one-dimensional periodically kicked incommensurate lattices
Pinquan Qin, Chuanhao Yin, Shu Chen
We study the dynamical localization transition in a one-dimensional periodically kicked incommensurate lattice, which is created by perturbing a primary optical lattice periodicall…
Mapping trapped atomic gas with spin-orbit coupling to quantum Rabi-like model
Haiping Hu, Shu Chen
We construct a connection of the ultracold atomic system in a harmonic trap with Raman-induced spin-orbit coupling to the quantum Rabi-like model. By mapping the trapped atomic sys…
Ferromagnetic to antiferromagnetic transition of one-dimensional spinor Bose gases with spin-orbit coupling
Xing Chen, Haiping Hu, Yuzhu Jiang +1
We have analytically solved one-dimensional interacting two-component bosonic gases with spin-orbit (SO) coupling by the Bethe-ansatz method. Through a gauge transformation, the ef…
Topological Mott insulators of ultracold atomic mixtures induced by interactions in one-dimensional optical superlattices
Zhihao Xu, Shu Chen
We present exactly solvable examples that topological Mott insulators can emerge from topologically trivial states due to strong interactions between atoms for atomic mixtures trap…
Fractional topological states of dipolar fermions in one-dimensional optical superlattices
Zhihao Xu, Linhu Li, Shu Chen
We study the properties of dipolar fermions trapped in one-dimensional bichromatic optical lattices and show the existence of fractional topological states in the presence of stron…