128 citations · 750 across the 28 of their papers we have counts for
28 papers
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…
Precision calculation of hyperfine structure of Be ions
Xiao-Qiu Qi, Pei-Pei Zhang, Zong-Chao Yan +4
The hyperfine structures of the and states of the Be and Be ions are investigated within the framework of the nonrelativistic quantu…
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…
Nonreciprocal transition between two indirectly coupled energy levels
Xun-Wei Xu, Hai-Quan Shi, Ai-Xi Chen
We propose a theoretical scheme to realize nonreciprocal transition between two energy levels that can not coupled directly. Suppose they are coupled indirectly by two auxiliary le…
Large and robust mechanical squeezing of optomechanical systems in a highly unresolved sideband regime via Duffing nonlinearity and intracavity squeezed light
Jian-Song Zhang, Ai-Xi Chen
We propose a scheme to generate strong and robust mechanical squeezing in an optomechanical system in the highly unresolved sideband (HURSB) regime with the help of the Duffing non…
Large mechanical squeezing beyond 3dB of hybrid atom-optomechanical systems in highly unresolved sideband regime
Jian-Song Zhang, Ai-Xi Chen
We propose a scheme for the generation of strong mechanical squeezing beyond 3dB in hybrid atom-optomechanical systems in the highly unresolved sideband (HURSB) regime where the de…
General corner states in 2D SSH model with intracelluar next-nearest-neighbour hopping
Xun-Wei Xu, Yu-Zeng Li, Zheng-Fang Liu +1
We investigate corner states in a photonic two-dimensional (2D) Su-Schrieffer-Heeger (SSH) model on a square lattice with zero gauge flux. By considering intracelluar next-nearest-…
Enantiomeric excess determination based on nonreciprocal transition induced spectral line elimination
Xun-Wei Xu, Chong Ye, Yong Li +1
The spontaneous emission spectrum of a multi-level atom or molecule with nonreciprocal transition is investigated. It is shown that the nonreciprocal transition can lead to the eli…
Nonreciprocity via nonlinearity and synthetic magnetism
Xun-Wei Xu, Yong Li, Baijun Li +2
We propose how to realize nonreciprocity for a weak input optical field via nonlinearity and synthetic magnetism. We show that the photons transmitting from a linear cavity to a no…
Quantum synchronization and correlations of two qutrits in a non-Markovian bath
Jian-Song Zhang
We investigate quantum synchronization and correlations of two qutrits in one non-Markovian environment using the hierarchy equation method. There is no direct interaction between…
Nonreciprocal transition between two nondegenerate energy levels
Xun-Wei Xu, Yan-Jun Zhao, Hui Wang +2
Stimulated emission and absorption are two fundamental processes of light-matter interaction, and the coefficients of the two processes should be equal in general. However, we will…
Generation of single entangled photon-phonon pairs via an atom-photon-phonon interaction
Xun-Wei Xu, Hai-Quan Shi, Jie-Qiao Liao +1
Quantum blockade and entanglement play important roles in quantum information and quantum communication as quantum blockade is an effective mechanism to generate single photons (ph…
Enhancing quadratic optomechanical coupling via nonlinear medium and lasers
Jian-Song Zhang, Ai-Xi Chen
We propose a scheme to significantly increase quadratic optomechanical couplings of optomechanical systems with the help of a nonlinear medium and two driving lasers. The nonlinear…
Nonreciprocal photon blockade via quadratic optomechanical coupling
Xun-Wei Xu, Yan-Jun Zhao, Hui Wang +2
We propose to manipulate the statistic properties of the photons transport nonreciprocally via quadratic optomechanical coupling. We present a scheme to generate quadratic optomech…
Generalized Su-Schrieffer-Heeger model in one dimensional optomechanical arrays
Xun-Wei Xu, Yan-Jun Zhao, Hui Wang +2
We propose an implementation of a generalized Su-Schrieffer-Heeger (SSH) model based on optomechanical arrays. The topological properties of the generalized SSH model depend on the…
Cross-correlation between photons and phonons in quadratically coupled optomechanical systems
Xun-Wei Xu, Hai-Quan Shi, Ai-Xi Chen +1
We study photon, phonon statistics and the cross-correlation between photons and phonons in a quadratically coupled optomechanical system. Photon blockade, phonon blockade and stro…
Room temperature high-fidelity non-adiabatic holonomic quantum computation on solid-state spins in Nitrogen-Vacancy centers
Guo-An Yan, Jia-Xin Chen, Hua Lu +1
The high-speed implementation and robustness against of non-adiabatic holonomic quantum computation provide a new idea for overcoming the difficulty of quantum system interacting w…
Nonreciprocal single-photon frequency converter via multiple semi-infinite coupled-resonator waveguides
Xun-Wei Xu, Ai-Xi Chen, Yong Li +1
We propose to construct a nonreciprocal single-photon frequency converter via multiple semi-infinite coupled-resonator waveguides (CRWs). We first demonstrate that the frequency of…
Phononic Josephson oscillation and self-trapping with two-phonon exchange interaction
Xun-Wei Xu, Ai-Xi Chen, Yu-xi Liu
We propose a bosonic Josephson junction (BJJ) in two nonlinear mechanical resonator coupled through two-phonon exchange interaction induced by quadratic optomechanical couplings. T…
Single-photon nonreciprocal transport in one-dimensional coupled-resonator waveguides
Xun-Wei Xu, Ai-Xi Chen, Yong Li +1
We study the transport of a single photon in two coupled one-dimensional semi-infinite coupled-resonator waveguides (CRWs), in which both end sides are coupled to a dissipative cav…
Phonon blockade in a nanomechanical resonator resonantly coupled to a qubit
Xun-Wei Xu, Ai-Xi Chen, Yu-xi Liu
We study phonon statistics in a nanomechanical resonator (NAMR) which is resonantly coupled to a qubit. We find that there are two different mechanisms for phonon blockade in such…
Nonreciprocal conversion between microwave and optical photons in electro-optomechanical systems
Xun-Wei Xu, Yong Li, Ai-Xi Chen +1
We propose to demonstrate nonreciprocal conversion between microwave and optical photons in an electro-optomechanical system where a microwave mode and an optical mode are coupled…