94 citations · 563 across the 24 of their papers we have counts for
24 papers
Numerical evidence of a critical point in the (2+1)D SO(5) nonlinear sigma model with Wess-Zumino-Witten term
Yuan Da Liao, Bin-Bin Chen, Junchen Rong +3
We develop an optimized continuous-field quantum Monte Carlo (QMC) algorithm to investigate the projected SO(5) nonlinear sigma model with a Wess-Zumino-Witten term, which describe…
Probing Non-Fermi-Liquid Behaviour of Composite Fermi Liquid via Efficient Thermal Simulations
Bin-Bin Chen, Hongyu Lu, Zi Yang Meng
The physics of two-dimensional electron gas in a perpendicular magnetic field, i.e., the quantum Hall system, is remarkably rich. At half filling of the lowest Landau level, it has…
Generic integer and fractional quantum anomalous Hall crystals from interaction-driven band folding
Hongyu Lu, Han-Qing Wu, Bin-Bin Chen +2
Among the extensive studies of fractional quantum anomalous Hall (FQAH) states, there recently appears a growing interest in the topological states with coexisting charge density w…
Vestigial Gapless Boson Density Wave Emerging between Fractional Chern Insulator and Finite-Momentum Supersolid
Hongyu Lu, Han-Qing Wu, Bin-Bin Chen +1
The roton-triggered charge-density-wave (CDW)is widely studied in fractional quantum Hall (FQH) and fractional Chern insulator (FCI) systems, and there also exist field theoretical…
Emergent Conformal Symmetry at the Multicritical Point of (2+1)D SO(5) Model with Wess-Zumino-Witten Term on Sphere
Bin-Bin Chen, Xu Zhang, Zi Yang Meng
Novel critical phenomena beyond the Landau-Ginzburg-Wilson paradigm have been long sought after. Among many candidate scenarios, the deconfined quantum critical point (DQCP) consti…
Continuous Transition between Bosonic Fractional Chern Insulator and Superfluid
Hongyu Lu, Han-Qing Wu, Bin-Bin Chen +1
The properties of fractional Chern insulator (FCI) phases and the phase transitions between FCI and Mott insulators (MI) in bosonic systems are well studied. The continuous transit…
Continuous transition and gapless roton inside fractional quantum anomalous Hall states
Hongyu Lu, Han-Qing Wu, Bin-Bin Chen +1
Collective excitations play a vital role in understanding the exotic phases of matter and phase transitions in quantum many-body systems. For the first time, we numerically (via ex…
Interaction-driven Roton Condensation in C = 2/3 Fractional Quantum Anomalous Hall State
Hongyu Lu, Han-Qing Wu, Bin-Bin Chen +2
The interplay of topological order and charge order exhibits rich physics. Recent experiments that succesfully realized the frational quantum anomalous Hall (FQAH) effect in twiste…
From Fractional Quantum Anomalous Hall Smectics to Polar Smectic Metals: Nontrivial Interplay Between Electronic Liquid Crystal Order and Topological Order in Correlated Topological Flat Bands
Hongyu Lu, Han-Qing Wu, Bin-Bin Chen +2
Symmetry-breaking orders can not only compete with each other, but also be interwined, and the interwined topological and symmetry-breaking orders make the situation more intriguin…
Thermodynamic Response and Neutral Excitations in Integer and Fractional Quantum Anomalous Hall States Emerging from Correlated Flat Bands
Hongyu Lu, Bin-Bin Chen, Han-Qing Wu +2
Integer and fractional Chern insulators have been extensively explored in correlated flat band models. Recently, the prediction and experimental observation of fractional quantum a…
An integral algorithm of exponential observables for interacting fermions in quantum Monte Carlo simulation
Xu Zhang, Gaopei Pan, Bin-Bin Chen +2
Exponential observables, formulated as where is an extensive quantity, play a critical role in study of quantum many-body systems, examp…
Deconfined quantum critical point lost in pressurized SrCu2(BO3)2
Jing Guo, Pengyu Wang, Cheng Huang +11
In the field of correlated electron materials, the relation between the resonating spin singlet and antiferromagnetic states has long been an attractive topic for understanding of…
Tangent Space Approach for Thermal Tensor Network Simulations of the 2D Hubbard Model
Qiaoyi Li, Yuan Gao, Yuan-Yao He +3
Accurate simulations of the two-dimensional (2D) Hubbard model constitute one of the most challenging problems in condensed matter and quantum physics. Here we develop a tangent sp…
Fermion disorder operator at Gross-Neveu and deconfined quantum criticalities
Zi Hong Liu, Weilun Jiang, Bin-Bin Chen +5
The fermion disorder operator has been shown to reveal the entanglement information in 1D Luttinger liquids and 2D free and interacting Fermi and non-Fermi liquids emerging at quan…
Many versus one: the disorder operator and entanglement entropy in fermionic quantum matter
Weilun Jiang, Bin-Bin Chen, Zi Hong Liu +5
Motivated by recent development of the concept of the disorder operator and its relation with entanglement entropy in bosonic systems, here we show the disorder operator successful…
Thermodynamic characteristic for correlated flat-band system with quantum anomalous Hall ground state
Gaopei Pan, Hongyu Lu, Heqiu Li +4
While the ground state phase diagram of the correlated flat-band systems have been intensively investigated, the dynamic and thermodynamic properties of such lattice models are les…
Topological Disorder Parameter
Bin-Bin Chen, Hong-Hao Tu, Zi Yang Meng +1
We introduce a many-body topological invariant, called the topological disorder parameter (TDP), to characterize gapped quantum phases with global internal symmetry in (2+1)d. TDP…
Spin-Triplet Pairing Induced by Near-Neighbor Attraction in the Cuprate Chain
Dai-Wei Qu, Bin-Bin Chen, Hong-Chen Jiang +2
In quantum materials, the electronic interaction and the electron-phonon coupling are, in general, two essential ingredients, the combined impact of which may drive exotic phases.…
Exciton Proliferation and Fate of the Topological Mott Insulator in a Twisted Bilayer Graphene Lattice Model
Xiyue Lin, Bin-Bin Chen, Wei Li +2
Topological Mott insulator (TMI) with spontaneous time-reversal symmetry breaking and nonzero Chern number has been discovered in a real-space effective model for twisted bilayer g…
Network-Initialized Monte Carlo Based on Generative Neural Networks
Hongyu Lu, Chuhao Li, Bin-Bin Chen +3
We design generative neural networks that generate Monte Carlo configurations with complete absence of autocorrelation from which only short Markov chains are needed before making…
Quantum Spin Liquid with Emergent Chiral Order in the Triangular-lattice Hubbard Model
Bin-Bin Chen, Ziyu Chen, Shou-Shu Gong +3
The interplay between spin frustration and charge fluctuation gives rise to an exotic quantum state in the intermediate-interaction regime of the half-filled triangular-lattice Hub…
Kondo holes in the 2D itinerant Ising ferromagnet Fe3GeTe2
Mengting Zhao, Binbin Chen, Yilian Xi +10
Heavy fermion (HF) states emerge in correlated quantum materials due to the interplay between localized magnetic moments and itinerant electrons, but rarely appear in 3d-electron s…
Exponential Thermal Tensor Network Approach for Quantum Lattice Models
Bin-Bin Chen, Lei Chen, Ziyu Chen +2
We speed up thermal simulations of quantum many-body systems in both one- (1D) and two-dimensional (2D) models in an exponential way by iteratively projecting the thermal density m…
Series-Expansion Thermal Tensor Network Approach for Quantum Lattice Models
Bin-Bin Chen, Yun-Jing Liu, Ziyu Chen +1
In this work we propose a series-expansion thermal tensor network (SETTN) approach for efficient simulations of quantum lattice models. This continuous-time SETTN method is based o…