114 citations · 305 across the 21 of their papers we have counts for
21 papers
Emergent topological ordered phase for the Ising-XY Model revealed by cluster-updating Monte-Carlo method
Heyang Ma, Wanzhou Zhang, Yanting Tian +2
The two-component cold atom systems with anisotropic hopping amplitudes can be phenomenologically described by a two-dimensional Ising-XY coupled model with spatial anisotropy. At…
Unsupervised machine learning for identifying phase transition using two-times clustering
Nan Wu, Zhuohan Li, Wanzhou Zhang
In recent years, developing unsupervised machine learning for identifying phase transition is a research direction. In this paper, we introduce a two-times clustering method that c…
Sublattice extraordinary-log phase and new special point of the antiferromagnetic Potts model
Li-Ru Zhang, Chengxiang Ding, Wanzhou Zhang +1
We study the surface criticality of a three-dimensional classical antiferromagnetic Potts model, whose bulk critical behaviors belongs to the XY model because of emergent O(2) symm…
Machine learning of percolation models using graph convolutional neural networks
Hua Tian, Lirong Zhang, Youjin Deng +1
Percolation is an important topic in climate, physics, materials science, epidemiology, finance, and so on. Prediction of percolation thresholds with machine learning methods remai…
Snake net and balloon force with a neural network for detecting multiple phases
Xiaodong Sun, Huijiong Yang, Nan Wu +3
Unsupervised machine learning applied to the study of phase transitions is an ongoing and interesting research direction. The active contour model, also called the snake model, was…
Machine learning for percolation utilizing auxiliary Ising variables
Junyin Zhang, Bo Zhang, Junyi Xu +2
Machine learning for phase transition has received intensive research interest in recent years. However, its application in percolation still remains challenging. We propose an aux…
Phase transitions in 3D Ising model with cluster weight by Monte Carlo method
Ziyang Wang, Le Feng, Wanzhou Zhang +1
A cluster weight Ising model is proposed by introducing an additional cluster weight in the partition function of the traditional Ising model. It is equivalent to the O() loop m…
Unsupervised learning of topological phase transitions using Calinski-Harabaz index
Jielin Wang, Wanzhou Zhang, Tian Hua +1
Machine learning methods have been recently applied to learning phases of matter and transitions between them. Of particular interest is the topological phase transition, such as i…
Worm quantum Monte-Carlo study of phase diagram of extended Jaynes-Cummings-Hubbard model
Huanhuan Wei, Jie Zhang, Sebastian Greschner +2
Herein, we study the extended Jaynes-Cummings-Hubbard model mainly by the large-scale worm quantum Monte-Carlo method to check whether or not a light supersolid phase exists in var…
Machine learning of phase transitions in the percolation and XY models
Wanzhou Zhang, Jiayu Liu, Tzu-Chieh Wei
In this paper, we apply machine learning methods to study phase transitions in certain statistical mechanical models on the two dimensional lattices, whose transitions involve non-…
Supersolid and pair correlations of the extended Jaynes-Cummings-Hubbard model on triangular lattices
Lijuan Guo, Sebastian Greschner, Siyu Zhu +1
We study the extended Jaynes-Cummings-Hubbard model on triangular cavity lattices and zigzag ladders. By using density-matrix renormalization group methods, we observe various type…
Ground State Properties of the One-Dimensional Unconstrained Pseudo-Anyon Hubbard Model
Wanzhou Zhang, Sebastian Greschner, Ernv Fan +2
We study the (pseudo-) anyon Hubbard model on a one-dimensional lattice without the presence of a three-body hardcore constraint. In particular, for the pseudo-fermion limit of a l…
Beats, broken-symmetry superfluid on a one dimensional anyon Hubbard model
Wanzhou Zhang, Ernv Fan, Tony C Scott +1
By using the density matrix renormalization group and mean field methods, the anyon Hubbard model is studied systematically on a one dimensional lattice. The model can be expressed…
Trimer superfluid and supersolid on two-dimensional optical lattices
Wanzhou Zhang, Yuan Yang, Lijuan Guo +2
By the photoassociation method, the trimer superfluid phase disappears in the one dimensional state-dependent optical lattice if the ratio of the three-body interaction to the…
Percolation of the Site Random-Cluster Model by Monte Carlo Method
Songsong Wang, Yuan Yang, Wanzhou Zhang +1
Herein, we propose a site random cluster model by introducing an additional cluster weight in the partition function of the traditional site percolation. To simulate the model on a…
Trimer superfluid induced by photoassocation on the state-dependent optical lattice
Wanzhou Zhang, Ran Li, W. X. Zhang +2
We use the mean-field method, the Quantum Monte-carlo method and the Density matrix renormalization group method to study the trimer superfluid phase and the quantum phase diagram…
Extended Bose-Hubbard model with pair hopping on the triangular lattice
Yancheng Wang, Wanzhou Zhang, Hui Shao +1
We study systematically an extended Bose-Hubbard model on the triangular lattice by means of a meanfield method based on the Gutzwiller ansatz. Pair hopping terms are explicitly in…
Pair supersolid of the extended Bose-Hubbard model with atom-pair hopping on the triangular Lattice
Wanzhou Zhang, Yancheng Wang, Wenan Guo
We systematically study an extended Bose-Hubbard model with atom hopping and atom-pair hopping in the presence of a three-body constraint on the triangular lattice. By means of lar…
Critical properties of the Hintermann-Merlini model
Chengxiang Ding, Yancheng Wang, Wanzhou Zhang +1
Many critical properties of the Hintermann-Merlini model are known exactly through the mapping to the eight-vertex model. Wu [J. Phys. C {\bf 8}, 2262 (1975)] calculated the sponta…
Effects of edge disorder in nano-scale antiferromagnetic clusters
Wanzhou Zhang, Wenan Guo, Kaj H Hoglund +2
We study the distribution of local magnetic susceptibilities in the two-dimensional antiferromagnetic S=1/2 Heisenberg model on various random clusters, in order to determine wheth…
Hardcore bosons on the dual of the bowtie lattice
Wanzhou Zhang, Laixi Li, Wenan Guo
We study the zero temperature phase diagram of hardcore bosons on the dual of the bowtie lattice. Two types of striped diagonal long-range order (striped order I and striped order…