142 citations · 453 across the 24 of their papers we have counts for
24 papers
Ratchet current in a -symmetric Floquet quantum system with symmetric sinusoidal driving
Zhiqiang Li, Xiaoxiao Hu, Jinpeng Xiao +2
We consider the ratchet dynamics in a -symmetric Floquet quantum system with symmetric temporal (harmonic) driving. In the exact phase, for a finite nu…
Scattering of one-dimensional quantum droplets by a reflectionless potential well
Xiaoxiao Hu, Zhiqiang Li, Yu Guo +2
We investigate, both analytically and numerically, the scattering of one-dimensional quantum droplets by a Pöschl-Teller reflectionless potential well, confirming that there is a s…
Spin Josephson effects of spin-orbit-coupled Bose-Einstein condensates in a non-Hermitian double well
Jia Tang, Zhou Hu, Zhao-Yun Zeng +5
In this paper, we investigate the spin and tunneling dynamics of a spin-orbit-coupled noninteracting Bose-Einstein condensate in a periodically driven non-Hermitian double-well pot…
Phase control of localization in the nonlinear two-mode system from harmonic mixing driving: Perturbative analysis and symmetry consideration
Xianchao Le, Zhao-Yun Zeng, Baiyuan Yang +7
In this paper, we present a rigorous analysis of symmetry and underlying physics of the nonlinear two-mode system driven by a harmonic mixing field, by means of multiple scale asym…
The topological invariants in 2D and 3D topological superconductors without time reversal symmetry
Jinpeng Xiao, Qianglin Hu, Huiqiong Zeng +1
In theory of topological classification, the 2D topological superconductors without time reversal symmetry are characterized by Chern numbers. However, in reality, we find the Cher…
Analytical results for the superflow of spin-orbit-coupled Bose-Einstein condensates in optical lattices
Xiaobing Luo, Zhou Hu, Zhao-Yun Zeng +5
In this paper, we show that for sufficiently strong atomic interactions, there exist analytical solutions of current-carrying nonlinear Bloch states at the Brillouin zone edge to t…
Controlling directed atomic motion and second-order tunneling of a spin-orbit-coupled atom in optical lattices
Xiaobing Luo, Zhao-Yun Zeng, Yu Guo +5
We theoretically explore the tunneling dynamics for the tight-binding (TB) model of a single spin-orbit-coupled atom trapped in an optical lattice subjected to lattice shaking and…
Coherent control of dissipative dynamics in a periodically driven lattice array
Zhao-Yun Zeng, Lei Li, Baiyun Yang +2
We find a different mechanism for suppression of decay in an open one-dimensional lattice system, which originates from a dark Floquet state, a sink state to which the system is as…
Controlling stable tunneling in a non-Hermitian spin-orbit coupled bosonic junction
Yunrong Luo, Xuemei Wang, Yuxin Luo +3
In this paper, we study how to apply a periodic driving field to control stable spin tunneling in a non-Hermitian spin-orbit coupled bosonic double-well system. By means of a high-…
Dynamics of spin-orbit-coupled cold atomic gases in a Floquet lattice with an impurity
Xiaobing Luo, Baiyuan Yang, Jin Cui +3
In this study, we have studied the quantum tunneling of a single spin-orbit-coupled atom held in a periodically modulated optical lattice with an impurity. At the pseudocollapse po…
Analytical results for a parity-time symmetric two-level system under synchronous combined modulations
Xiaobing Luo, Baiyuan Yang, Xiaofei Zhang +2
We propose a simple method of combined synchronous modulations to generate the analytically exact solutions for a parity-time symmetric two-level system. Such exact solutions are e…
Mixed-gap vector solitons in PT-symmetric lattices with saturable nonlinearity
Lei Li, Xiaoguang Yu, Xing Zhu +3
We have investigated mixed-gap vector solitons involving incoherently coupled fundamental and dipole components in a parity-time (PT) symmetric lattice with saturable nonlinearity.…
Switching management by adiabatic passage in two periodically modulated nonlinear waveguides
Baiyuan Yang, Xiaobing Luo, Xiaoguang Yu
We theoretically investigate light propagation in two periodically modulated nonlinear waveguides with certain propagation constant detuning between two guides. By slowly varying t…
Exact control of parity-time symmetry in periodically modulated nonlinear optical couplers
Baiyuan Yang, Xiaobing Luo, QiangLin Hu +1
We propose a mechanism for realization of exact control of parity-time (PT) symmetry by using a periodically modulated nonlinear optical coupler with balanced gain and loss. It is…
Analog of photon-assisted tunneling originated from dark Floquet state in periodically modulated waveguide arrays
Liping Li, Xiaobing Luo, Xiaoxue Yang +2
We theoretically report an analog of photon-assisted tunneling (PAT) in a periodically driven lattice array without a static biased potential by studying a three-channel waveguide…
Directed tunneling of a prescribed number of dipolar bosons in shaken triple-well potentials
Xiaobing Luo, Yueming Wang, Xiaoguang Yu +4
We propose a scheme for precise control of tunneling dynamics of dipolar bosons in shaken triple-well potentials. In the high-frequency regimes and under the resonance conditions,…
Coherent destruction of tunneling in a lattice array with controllable boundary
Liping Li, Xiaobing Luo, Xin-You Lü +2
We have investigated how the dynamics of a quantum particle initially localized in the left boundary site under periodic driving can be manipulated via control of the right boundar…
Coherent Destruction of Tunneling and Dark Floquet State
Xiaobing Luo, Liping Li, Li You +1
We study a system of three coherently coupled states, where one state is shifted periodically against the other two. We discover such a system possesses a dark Floquet state at zer…
Pseudo Parity-Time Symmetry in Optical Systems
Xiaobing Luo, Jiahao Huang, Honghua Zhong +4
We introduce a novel concept of the {\em pseudo} parity-time () symmetry in periodically modulated optical systems with balanced gain and loss. We demonstrate that wh…
Formation and structure of vortex lattices in a rotating double-well Bose-Einstein condensate
Linghua Wen, Xiaobing Luo
We investigate the dynamics of vortex formation and the structure of vortex lattices in a Bose-Einstein condensate confined within a rotating double-well (DW) potential. The dynami…
Coherent destruction of tunneling in a lattice array under selective in-phase modulations
Xiaobing Luo, Jiahao Huang, Chaohong Lee
We explore the coherent destruction of tunneling (CDT) in a lattice array under selective in-phase harmonic modulations, in which some selected lattice sites are driven by in-phase…
All-optical switch with two periodically curved nonlinear waveguides
Qiongtao Xie, Xiaobing Luo, Biao Wu
We propose a type of all-optical switch which consists of two periodically curved nonlinear optical waveguides placed in parallel. Compared to the all-optical switch based on the t…
Quasi-energies and Floquet states of two weakly coupled Bose-Einstein condensates under periodic driving
Xiaobing Luo, Qiongtao Xie, Biao Wu
We investigate the quasi-energies and Floquet states of two weakly coupled Bose-Einstein condensates driven by a periodic force. The quasi-energies and Floquet states of this syste…
Nonlinear coherent destruction of tunneling
Xiaobing Luo, Qiongtao Xie, Biao Wu
We study theoretically two coupled periodically-curved optical waveguides with Kerr nonlinearity. We find that the tunneling between the waveguides can be suppressed in a wide rang…