17 citations · 55 across the 20 of their papers we have counts for
21 papers
Logarithmic Quasi-Long-Range Order and Novel Continuous Phase Transition in the Two-Dimensional Model with Interaction
Xianzhi Pan, Zhijie Fan, Youjin Deng
We investigate the phase diagram and critical properties of the two-dimensional classical XY model with interactions decaying as . At the marginal case , we show th…
Two-dimensional percolation with algebraically decaying interactions II: Critical exponents in the long-range regime
Ziyu Liu, Tianning Xiao, Zhijie Fan +1
We present a comprehensive Monte Carlo study of two-dimensional bond percolation with algebraically decaying connection probabilities , establishing the univ…
Thermal Signatures of the Slater-Mott Crossover in the Hubbard Model: From Double Occupancy to Antiferromagnetic Correlation Length
Mingzhong Lu, Yu-Feng Song, Youjin Deng +1
The interaction-driven crossover from a Slater insulator to a Mott insulator in the Néel-ordered ground state of the Hubbard model is a fundamental paradigm of strongly correlated…
Crossover Scaling of Binder Cumulant and its application in Non-reciprocal Sandpiles
Wei Zhong, Youjin Deng
In this letter, we unveil a robust, pre-asymptotic scaling regime for the Binder cumulant , a central finite-size scaling tool, demonstrating (disor…
Scaling of Long-Range Loop-Erased Random Walks
Tianning Xiao, Xianzhi Pan, Zhijie Fan +1
We study the scaling properties of long-range loop-erased random walks (LR-LERW), where the underlying random walker performs Lévy-flight-like jumps with a power-law step-length di…
Computation of thermal entropy for the doped Hubbard Model
Yu-Feng Song, Youjin Deng, Yuan-Yao He
We develop a highly efficient framework for computing the thermal entropy in the doped Fermi-Hubbard model within the grand-canonical ensemble. The framework comprises four calcula…
Quantum Monte Carlo study of the metal-insulator crossover in the square-lattice Hubbard model
Mingzhong Lu, Yu-Feng Song, Youjin Deng +1
The interaction-driven evolution from a Fermi liquid to a Mott insulator is a hallmark of strongly correlated fermion systems. In this work, we present a {\it numerically unbiased}…
On Sak's criterion for statistical models with long-range interaction
Tianning Xiao, Ziyu Liu, Zhijie Fan +1
Determining the threshold value that separates the short-range (SR) and long-range (LR) universality classes in phase transitions remains a controversial issue. While Sak's c…
Universality Diagram of Phase Transitions in Long-range Statistical Systems
Tianning Xiao, Zhijie Fan, Youjin Deng
The percolation, Ising, and O() models constitute fundamental systems in statistical and condensed matter physics. For short-range-interacting cases, the nature of their phase t…
Spontaneous Symmetry Breaking in Two-dimensional Long-range Heisenberg Model
Tianning Xiao, Dingyun Yao, Lode Polle +2
Algebraically decaying interactions can lead to nontrivial universality beyond short-range (SR) theories and spontaneous symmetry breaking in low-dimensional syste…
Two-dimensional percolation model with long-range interaction
Ziyu Liu, Tianning Xiao, Zhijie Fan +1
We perform large-scale simulations of the two-dimensional long-range bond percolation model with algebraically decaying percolation probabilities , using both conve…
Quantum Path-integral Method for Fictitious Particle Hubbard Model
Zhijie Fan, Tianning Xiao, Youjin Deng
We formulate a path-integral Monte Carlo algorithm for simulating lattice systems consisting of fictitious particles governed by a generalized exchange statistics. This method, ini…
Finite-size corrections from the subleading magnetic scaling field for the Ising and Potts models in two dimensions
Yihao Xu, Jesús Salas, Youjin Deng
In finite-size scaling analyses of critical phenomena, proper consideration of correction terms, which can come from different sources, plays an important role. For the Fortuin-Kas…
Fate of Berezinskii-Kosterlitz-Thouless Paired Phase in Coupled Models
Tianning Xiao, Youjin Deng, Xiao-Yu Dong
Intriguing phases may emerge when two-dimensional systems are coupled in a bilayer configuration. In particular, a Berezinskii-Kosterlitz-Thouless (BKT) paired superfluid phase was…
Asymptotic Freedom and Finite-size Scaling of Two-dimensional Classical Heisenberg Model
Dingyun Yao, Chao Zhang, Z. Y. Xie +2
The classical Heisenberg model is one of the most fundamental models in statistical and condensed matter physics. Extensive theoretical and numerical studies suggest that, in two d…
Thermal Entropy, Density Disorder and Antiferromagnetism of Repulsive Fermions in 3D Optical Lattice
Yu-Feng Song, Youjin Deng, Yuan-Yao He
The celebrated antiferromagnetic (AFM) phase transition was realized in a most recent optical lattice experiment for the 3D fermionic Hubbard model [Shao {\it et al}., Nature {\bf…
The Nonclassical Regime of the Two-dimensional Long-range XY Model: a Comprehensive Monte Carlo Study
Dingyun Yao, Tianning Xiao, Chao Zhang +2
The two-dimensional (2D) XY model plays a crucial role in statistical and condensed matter physics. With the introduction of long-range interactions, the system exhibits a richer s…
Magnetic, thermodynamic, and dynamical properties of the three-dimensional fermionic Hubbard model: A comprehensive Monte Carlo study
Yu-Feng Song, Youjin Deng, Yuan-Yao He
The interplay between quantum and thermal fluctuations can induce rich phenomena at finite temperatures in strongly correlated fermion systems. Here we report a {\it numerically ex…
Dipolar bosons in a twisted bilayer geometry
Chao Zhang, Zhijie Fan, Barbara Capogrosso-Sansone +1
In recent years, twisted bilayer systems such as bilayer graphene have attracted a great deal of attention as the twist angle introduces a degree of freedom which can be used to no…
Two-dimensional XY Ferromagnet Induced by Long-range Interaction
Tianning Xiao, Dingyun Yao, Chao Zhang +2
The crossover between short-range and long-range (LR) universal behaviors remains a central theme in the physics of long-range interacting systems. The competition between LR coupl…
Extended Metal-Insulator Crossover with Strong Antiferromagnetic Spin Correlation in Half-Filled 3D Hubbard Model
Yu-Feng Song, Youjin Deng, Yuan-Yao He
The Hubbard model at temperatures above the Néel transition, despite being a paramagnet, can exhibit rich physics due to the interplay of Fermi surface, on-site interaction and…