71 citations · 416 across the 23 of their papers we have counts for
23 papers
A Fuzzy Sphere Journey in Critical Phenomena
Yin-Chen He, W. Zhu
This review discusses the recently proposed fuzzy sphere regularization for studying D critical phenomena, particularly three-dimensional (3D) conformal field theory (CFT). Th…
Reclaiming the Lost Conformality in a non-Hermitian Quantum 5-state Potts Model
Yin Tang, Han Ma, Qicheng Tang +2
Conformal symmetry, emerging at critical points, can be lost when renormalization group fixed points collide. Recently, it was proposed that after collisions, real fixed points tra…
Entropic -function of 3D Ising conformal field theory via the fuzzy sphere regularization
Liangdong Hu, W. Zhu, Yin-Chen He
The -function, the three-dimensional counterpart of the central charge in the 2D conformal field theory, measures the effective number of degrees of freedom in 3D quantum field…
Conformal Operator Content of the Wilson-Fisher Transition on Fuzzy Sphere Bilayers
Chao Han, Liangdong Hu, W. Zhu
The Wilson-Fisher criticality provides a paradigm for a large class of phase transitions in nature (e.g., helium, ferromagnets). In the three dimension, Wilson-Fisher critical poin…
Solving Conformal Defects in 3D Conformal Field Theory using Fuzzy Sphere Regularization
Liangdong Hu, Yin-Chen He, W. Zhu
Defects in conformal field theory (CFT) are of significant theoretical and experimental importance. The presence of defects theoretically enriches the structure of the CFT, but at…
Conformal four-point correlators of the 3D Ising transition via the quantum fuzzy sphere
Chao Han, Liangdong Hu, W. Zhu +1
In conformal field theory (CFT), the four-point correlator is a fundamental object that encodes CFT properties, constrains CFT structures, and connects to the gravitational scatter…
The Deconfined Phase Transition under the Fuzzy Sphere Microscope: Approximate Conformal Symmetry, Pseudo-Criticality, and Operator Spectrum
Zheng Zhou, Liangdong Hu, W. Zhu +1
The deconfined quantum critical point (DQCP) is an example of phase transitions beyond the Landau symmetry breaking paradigm that attracts wide interest. However, its nature has no…
Operator Product Expansion Coefficients of the 3D Ising Criticality via Quantum Fuzzy Sphere
Liangdong Hu, Yin-Chen He, W. Zhu
Conformal field theory (CFT) is the key to various critical phenomena. So far, most of studies focus on the critical exponents of various universalities, corresponding to conformal…
Modular transformation and anyonic statistics of multi-component fractional quantum Hall states
Liangdong Hu, Zhao Liu, W. Zhu
We investigate the response to modular transformations and the fractional statistics of Abelian multi-component fractional quantum Hall (FQH) states. In particular, we analytically…
Viscosity Enhancement by Electron-Hole Collisions in Dirac Electron Fluid
Weiwei Chen, W. Zhu
Rejuvenation of hydrodynamic transport in solids provides a new window to study collective motion of electrons, where electrons behave like a viscous fluid akin to classical liquid…
Entanglement Entropy of D Quantum Critical Points with Quenched Disorder: Dimensional Reduction Approach
Qicheng Tang, W. Zhu
A formidable perspective in understanding quantum criticality of a given many-body system is through its entanglement contents. Until now, most progress are only limited to the dis…
Microscopic Theory of Superconducting Phase Diagram in Infinite-Layer Nickelates
T. Y. Xie, Z. Liu, Chao Cao +3
Since the discovery of superconductivity in infinite-layer nickelates RNiO (R=La, Pr, Nd), great research efforts have been paid to unveil its underlying superconducting mechan…
Experimental Realization of the 1D Random Field Ising Model
N. S. Bingham, S. Rooke, J. Park +8
We have measured magnetic-field-induced avalanches in a square artificial spin ice array of interacting nanomagnets. Starting from the ground state ordered configuration, we imaged…
Ferromagnetic Negative Charge-Transfer Insulator: from Theoretical Proposal to Material Realization
Zhao Liu, Xingxing Li, W. Zhu +2
Here we propose another type of ferromagnetic semiconductors: ferromagnetic negative charge-transfer insulator (FNCTI). In FNCTI, the negative charge-transfer states strongly enhan…
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…
Abelian origin of and fractional quantum Hall effect
Liangdong Hu, W. Zhu
We investigate the ground state properties of fractional quantum Hall effect at the filling factor and , with a special focus on their typical edge physics. Via topo…
On the sample-dependent minimal conductivity in weakly disordered graphene
Weiwei Chen, Yedi Shen, Bo Fu +2
We present a unified understanding of the experimentally observed minimal dc conductivity in weakly disordered graphene. Firstly, based on linear response theory, we reveal that ra…
Coexistence of non-Abelian chiral spin liquid and magnetic order in a spin-1 antiferromagnet
Yixuan Huang, W. Zhu, Shou-Shu Gong +2
We study the ground-state properties of a spin-1 Heisenberg model on a square lattice with the first- and second-nearest-neighbor antiferromagnetic couplings and and a…
Ultrafast Laser Driven Many-Body Dynamics and Kondo Coherence Collapse
W. Zhu, Benedikt Fauseweh, Alexis Chacon +1
Ultrafast laser pulse has provided a systematic way to inspect the dynamics of electrons in condensed matter systems. In this paper, by means of time-dependent density matrix renor…
Controlling the topological sector of magnetic solitons in exfoliated CrNbS crystals
L. Wang, N. Chepiga, D. -K. Ki +9
We investigate manifestations of topological order in monoaxial helimagnet CrNbS by performing transport measurements on ultra-thin crystals. Upon sweeping the magnetic…
The Fractional Quantum Hall States at and and their Non-Abelian Nature
W. Zhu, S. S. Gong, F. D. M. Haldane +1
We investigate the nature of the fractional quantum Hall (FQH) state at filling factor , and its particle-hole conjugate state at , with the Coulomb interaction, and…
Topological Transition of Graphene from Quantum Hall Metal to Quantum Hall Insulator at
W. Zhu, Q. W. Shi, J. G. Hou +1
The puzzle of recently observed insulating phase of graphene at filling factor in high magnetic field quantum Hall (QH) experiments is investigated. We show that the magnetic…
Electronic Structure in Gapped Graphene with Coulomb Potential
W. Zhu, M. L. Liang, Q. W. Shi +3
In this paper, we numerically study the bound electron states induced by long range Coulomb impurity in gapped graphene and the quasi-bound states in supercritical region based on…