88 citations · 522 across the 24 of their papers we have counts for
23 papers
Three-component fractional quantum Hall effect in topological flat bands
Tian-Sheng Zeng
We study the many-body ground states of three-component quantum particles in two prototypical topological lattice models under strong intercomponent and intracomponent repulsions.…
Halperin fractional quantum Hall effect in topological flat bands
Tian-Sheng Zeng
The Halperin fractional quantum Hall effects of two-component quantum particles are studied in topological checkerboard lattice models. Here for , we demonstra…
Integer quantum Hall effect of two-component hardcore bosons in a topological triangular lattice
Tian-Sheng Zeng
We study the many-body ground states of two-component hardcore bosons in topological triangular lattice models. Utilizing exact diagonalization and density-matrix renormalization g…
Chern number matrix of the non-Abelian spin-singlet fractional quantum Hall effect
Tian-Sheng Zeng, W. Zhu
While the internal structure of Abelian topological order is well understood, how to characterize the non-Abelian topological order is an outstanding issue. We propose a distinctiv…
Fractional quantum Hall effect of Bose-Fermi mixtures
Tian-Sheng Zeng
Multicomponent quantum Hall effect, under the interplay between intercomponent and intracomponent correlations, leads us to new emergent topological orders. Here, we report the the…
Phase transitions of bosonic fractional quantum Hall effect in topological flat bands
Tian-Sheng Zeng
We study the phase transitions of bosonic fractional quantum Hall (FQH) effect in different topological lattice models under the interplay of onsite periodic potential and…
Bosonic Halperin fractional quantum Hall effect at filling factor
Tian-Sheng Zeng, Liangdong Hu, W. Zhu
Quantum Hall effects with multicomponent internal degrees of freedom facilitate the playground of novel emergent topological orders. Here, we explore the correlated topological pha…
Quantum Hall effects of exciton condensate in topological flat bands
Tian-Sheng Zeng, D. N. Sheng, W. Zhu
Tunable exciton condensates in two dimensional electron gas systems under strong magnetic field exhibits anomalous Hall transport owing to mutual Coulomb coupling, and have attract…
Continuous phase transition between bosonic integer quantum Hall liquid and trivial insulator: evidences for deconfined quantum criticality
Tian-Sheng Zeng, D. N. Sheng, W. Zhu
The deconfined quantum critical point, a prototype Landau-forbidden transition, could exist in principle in the phase transitions involving symmetry protected topological phase, ho…
Topological characterization of hierarchical fractional quantum Hall effects in topological flat bands with SU() symmetry
Tian-Sheng Zeng, D. N. Sheng, W. Zhu
We study the many-body ground states of SU() symmetric hardcore bosons on the topological flat-band model by using controlled numerical calculations. By introducing strong intra…
Quantum Anomalous Hall Phase Stabilized via Realistic Interactions on a Kagome Lattice
Yafei Ren, T. -S. Zeng, W. Zhu +1
We study the quantum phases of spinless fermion at one-third filling on a Kagome lattice featuring a quadratic band touching Fermi point. In the presence of weak first and second n…
Tunning topological phase and quantum anomalous Hall effect by interaction in quadratic band touching systems
Tian-sheng Zeng, W. Zhu, D. N. Sheng
Interaction driven topological phases can significantly enrich the class of topological materials and thus are of great importance. Here, we study the phase diagram of interacting…
Topological Mott Insulator with Bosonic Edge Modes in 1D Fermionic Superlattices
Haiping Hu, Shu Chen, Tian-Sheng Zeng +1
We investigate topological phase transitions driven by interaction and identify a novel topological Mott insulator state in one-dimensional fermionic optical superlattices through…
SU(N) fractional quantum Hall effects in topological flat bands
Tian-Sheng Zeng, D. N. Sheng
We study -component interacting particles (hardcore bosons and fermions) loaded in topological lattice models with SU-invariant interactions based on density matrix renorma…
Nature of continuous phase transitions in interacting topological insulators
Tian-Sheng Zeng, W. Zhu, Jian-Xin Zhu +1
We revisit the effects of the Hubbard repulsion on quantum spin Hall effects (QSHE) in two-dimensional quantum lattice models. We present both unbiased exact diagonalization and de…
Prethermal time crystals in a one-dimensional periodically driven Floquet system
Tian-Sheng Zeng, D. N. Sheng
Motivated by experimental observations of time-symmetry breaking behavior in a periodically driven (Floquet) system, we study a one-dimensional spin model to explore the stability…
Two-component quantum Hall effects in topological flat bands
Tian-Sheng Zeng, W. Zhu, D. N. Sheng
We study quantum Hall states for two-component particles (hardcore bosons and fermions) loading in topological lattice models. By tuning the interplay of interspecies and intraspec…
Fractional charge pumping of interacting bosons in one-dimensional superlattice
Tian-Sheng Zeng, W. Zhu, D. N. Sheng
Motivated by experimental realizations of integer quantized charge pumping in one-dimensional superlattices~[Nat. Phys. 12, 350 (2016); Nat. Phys. 12, 296 (2016)], we generalize an…
Interaction-Driven Spontaneous Quantum Hall Effect on Kagome Lattice
W. Zhu, S. S. Gong, T. S. Zeng +2
Non-interacting topological states of matter can be realized in band insulators with intrinsic spin-orbital couplings as a result of the nontrivial band topology. In recent years,…
Bosonic integer quantum Hall states in topological bands with Chern number two
Tian-Sheng Zeng, W. Zhu, D. N. Sheng
We study the interacting bosons in topological Hofstadter bands with Chern number two. Using exact diagonalization, we demonstrate that bosonic integer quantum Hall (BIQH) state em…
Charge Pumping of Interacting Fermion Atoms in the Synthetic Dimension
Tian-Sheng Zeng, Ce Wang, Hui Zhai
Recently it has been proposed and experimentally demonstrated that a spin-orbit coupled multi-component gas in 1d lattice can be viewed as spinless gas in a synthetic 2d lattice wi…
Fractional Quantum Hall States of Dipolar Gases in Chern Bands
Tian-Sheng Zeng, Lan Yin
We study fermions and hardcore bosons with long range dipolar interactions at fractional fillings in a topological checkerboard lattice with short-range hoppings up to next-next-ne…
Supersolidity of a dipolar Fermi gas in a cubic optical lattice
Tian-Sheng Zeng, Lan Yin
We study the phase diagram of a dipolar fermi gas at half-filling in a cubic optical lattice with dipole moments aligned along the z-axis. The anisotropic dipole-dipole interaction…