84 citations · 1.3k across the 99 of their papers we have counts for
46 papers · 1 filter
Breathing mode of quantum droplets in dipolar quantum gases: A sum-rule analysis
Xinran Zhang, Junli Liu, Huiyun Xiao +2
We theoretically investigate the ground-state properties and breathing-mode collective excitations of three-dimensional dipolar Bose gases in anisotropic harmonic traps incorporati…
Universal Transport Properties of Continuous Quantum Gases
Zi-yang Liu, Xiangguo Yin, Yunbo Zhang +2
The Drude weight characterizes ballistic transport in quantum many-body systems. Although analytical calculations of Drude weights have been extensively studied in integrable model…
One-dimensional asymmetrically interacting quantum droplets in Bose-Bose mixtures
Huiyun Xiao, Xinran Zhang, Junli Liu +3
We theoretically investigate ground-state properties and collective excitations of one-dimensional quantum droplets in asymmetric Bose-Bose mixtures with unequal intraspin interact…
Rogue waves collision under incident momentum modulation in two-component Bose-Einstein condensates
Zhihao Zhang, Tiantian Li, Xiao-Dong Bai +2
The collision dynamics of two first-order rogue waves (RWs) with opposite incident momentum in two-component Bose-Einstein condensates (BECs) is studied by solving the two-componen…
Floquet geometric squeezing in fast-rotating condensates
Li Chen, Fei Zhu, Yunbo Zhang +1
Constructing and manipulating quantum states in fast-rotating Bose-Einstein condensates (BEC) has long stood as a significant challenge as the rotating speed approaching the critic…
Necessity of orthogonal basis vectors for the two-anyon problem in one-dimensional lattice
Cuicui Zheng, Jiahui Xie, Ming Zhang +2
Few-body physics for anyons has been intensively studied within the anyon-Hubbard model, including the quantum walk and Bloch oscillations of two-anyon states. However, the known t…
Collisional dynamics of symmetric two-dimensional quantum droplets
Yanming Hu, Yifan Fei, Xiao-Long Chen +1
The collisional dynamics of two symmetric droplets with equal intraspecies scattering lengths and particle number density for each component is studied by solving the corresponding…
Two mass-imbalanced atoms in a hard-wall trap: Deep learning integrability of many-body systems
Liheng Lang, Qichen Lu, C. M. Dai +3
The study of integrable systems has led to significant advancements in our understanding of many-body physics. We design a series of numerical experiments to analyze the integrabil…
Collective excitations in two-dimensional harmonically trapped quantum droplets
Yifan Fei, Xucong Du, Xiao-Long Chen +1
The collective excitation modes in quantum droplets trapped in a two-dimensional harmonic potential in the context of symmetric weakly interacting binary bosonic mixtures are studi…
Ground-state Properties and Bogoliubov Modes of a Harmonically Trapped One-Dimensional Quantum Droplet
Xucong Du, Yifan Fei, Xiao-Long Chen +1
We study the stationary and excitation properties of a one-dimensional quantum droplet in the two-component Bose mixture trapped in a harmonic potential. By constructing the energy…
Non-thermal dynamics in a spin-1/2 lattice Schwinger model
Chunping Gao, Zheng Tang, Fei Zhu +3
Local gauge symmetry is intriguing for the study of quantum thermalization breaking. For example, in the high-spin lattice Schwinger model (LSM), the local U(1) gauge symmetry unde…
Spin squeezing in a spin-orbit coupled Bose-Einstein condensate
Li Chen, Yunbo Zhang, Han Pu
We study the spin squeezing in a spin-1/2 Bose-Einstein condensates (BEC) with Raman induced spin-orbit coupling (SOC). Under the condition of two-photon resonance and weak Raman c…
Spin-Nematic Vortex States in Cold Atoms
Li Chen, Yunbo Zhang, Han Pu
The (pseudo-)spin degrees of freedom greatly enriches the physics of cold atoms. This is particularly so for systems with high spins (i.e., spin quantum number larger than 1/2). Fo…
Emergent ballistic transport of Bose-Fermi mixtures in one dimension
Sheng Wang, Xiangguo Yin, Yang-Yang Chen +2
The degenerate Bose-Fermi (BF) mixtures in one dimension present a novel realization of two decoupled Luttinger liquids with bosonic and fermionic degrees of freedom at low tempera…
Anomalous isothermal compressibility in spin-orbit coupled degenerate Fermi gases
Cheng-Gong Liang, Yue-Xin Huang, Fei-Hong Liu +3
The spin-orbit coupling (SOC) in degenerate Fermi gases can fundamentally change the fate of -wave superfluids with strong Zeeman field and give rise to topological superfluids…
Momentum distribution and contacts of one-dimensional spinless Fermi gases with an attractive p-wave interaction
Xiangguo Yin, Xi-Wen Guan, Yunbo Zhang +2
We present a rigorous study of momentum distribution and p-wave contacts of one dimensional (1D) spinless Fermi gases with an attractive p-wave interaction. Using the Bethe wave fu…
Spin exchange-induced spin-orbit coupling in a superuid mixture
Li Chen, Chuanzhou Zhu, Yunbo Zhang +1
We investigate the ground-state properties of a dual-species spin-1/2 Bose-Einstein condensate. One of the species is subjected to a pair of Raman laser beams that induces spin-orb…
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…
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…
Collective excitation of a trapped Bose-Einstein condensate with spin-orbit coupling
Li Chen, Han Pu, Zeng-Qiang Yu +1
We investigate the collective excitations of a Raman-induced spin-orbit coupled Bose-Einstein condensate confined in a quasi one-dimension harmonic trap using the Bogoliubov method…
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…
Dynamics of a coupled spin vortex pair in dipolar spinor Bose-Einstein condensates
Tiantian Li, Su Yi, Yunbo Zhang
The collisional and magnetic field quench dynamics of a coupled spin-vortex pair in dipolar spinor Bose-Einstein condensates in a double well potential are numerically investigated…