141 citations · 510 across the 24 of their papers we have counts for
24 papers
Ground-state phase diagram and route to supersolidity in a two-component extended Bose-Hubbard model
Xuexin Qiu, Ning Bian, Yang Liu +4
We investigate the ground-state phase diagram of a two-component extended Bose-Hubbard model recently realized with dipolar excitons, using the projected entangled-pair states. For…
Generalized Holstein-Primakoff transformation with optimizable bosonic truncation
Yang Liu, Jia-Wei Mei, Rong Yu +3
Spin-wave theory provides a quasiparticle description of excitation spectra in quantum spin systems. In this theory, the spin operators are usually bosonized by the Holstein-Primak…
Grassmann tensor networks
Jian-Gang Kong, Jia-Ji Zhu, Z. Y. Xie
Developing non-perturbative methods to reveal exotic properties of strongly correlated fermionic systems remains one of the most essential tasks of theoretical physics. Tensor netw…
Phase diagram of the single-flavor Gross--Neveu--Wilson model from the Grassmann corner transfer matrix renormalization group
Jian-Gang Kong, Shinichiro Akiyama, Tao Shi +1
We investigate the phase structure of the single-flavor Gross--Neveu model with Wilson fermions using the Grassmann corner transfer matrix renormalization group (CTMRG). The path i…
Probing quantum critical crossover via impurity renormalization group
Tao Yang, Z. Y. Xie, Rui Wang +1
Quantum impurities can host exotic many-body states that serve as sensitive probes of bath correlations. However, quantitative and non-perturbative methods for determining impurity…
Single-layer framework of variational tensor network states
Hongyu Chen, Yangfeng Fu, Weiqiang Yu +2
We propose a single-layer tensor network framework for the variational determination of ground states in two-dimensional quantum lattice models. By combining the nested tensor netw…
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…
Spin excitations of the Shastry-Sutherland model -- altermagnetism and deconfined quantum criticality
Hongyu Chen, Guijing Duan, Changle Liu +4
Frustrated quantum magnets can host a variety of exotic spin excitations, including fractionalized spin excitations coupled to emergent gauge fields at deconfined quantum critical…
The Green's function Monte Carlo combined with projected entangled pair state approach to the frustrated - Heisenberg model
He-Yu Lin, Yibin Guo, Rong-Qiang He +2
The tensor network algorithm, a family of prevalent numerical methods for quantum many-body problems, aptly captures the entanglement properties intrinsic to quantum systems, enabl…
Susceptibility indicator for chiral topological orders emergent from correlated fermions
Rui Wang, Tao Yang, Z. Y. Xie +2
Chiral topological orders formed in correlated fermion systems have been widely explored. However, the mechanism on how they emerge from interacting fermions is still unclear. Here…
Long-range spin-orbital order in the spin-orbital SU(2)SU(2)U(1) model
Yang Liu, Z. Y. Xie, Hong-Gang Luo +1
By using the tensor-network state algorithm, we study a spin-orbital model with SU(2)SU(2)U(1) symmetry on the triangular lattice. This model was proposed to descri…
Efficient calculation of three-dimensional tensor networks
Li-Ping Yang, Y. F. Fu, Z. Y. Xie +1
We have proposed an efficient algorithm to calculate physical quantities in the translational invariant three-dimensional tensor networks, which is particularly relevant to the stu…
Exploring quantum phase transitions by the cross derivative of the ground state energy
H. Y. Wu, Yu-Chin Tzeng, Z. Y. Xie +2
In this work, the cross derivative of the Gibbs free energy, initially proposed for phase transitions in classical spin models [Phys. Rev. B 101, 165123 (2020)], is extended for qu…
Two-dimensional binary transition metal nitride N ( = V, Cr, Mn, Fe, Co) with a graphene-like structure and strong magnetic properties
Shuo Zhang, Panjun Feng, Dapeng Liu +5
Binary transition metal nitride with a graphene-like structure and strong magnetic properties is rare. Based on the first-principles calculations, we design two kinds of N (…
Prediction of single-atom-thick transition metal nitride CrN with a square-planar network and high-temperature ferromagnetism
Dapeng Liu, Panjun Feng, Shuo Zhang +4
Single-atom-thick two-dimensional materials such as graphene usually have a hexagonal lattice while the square-planar lattice is uncommon in the family of two-dimensional materials…
Achieving high-temperature ferromagnetism by means of magnetic ions dimerization
Panjun Feng, Shuo Zhang, Dapeng Liu +4
Magnetic two-dimensional materials have potential application in next-generation electronic devices and have stimulated extensive interest in condensed matter physics and material…
First-order transition between the plaquette valence bond solid and antiferromagnetic phases of the Shastry-Sutherland model
Ning Xi, Hongyu Chen, Z. Y. Xie +1
We study the ground state phase diagram of the Shastry-Sutherland model by using the variational optimization of the infinite tensor network states, and find a weakly first-order t…
Theory of competing Chern-Simons orders and emergent phase transitions
Rui Wang, Z. Y. Xie, Baigeng Wang +1
Based on the Chern-Simons fermionization of spin-1/2 operators, we propose a systematic framework to investigate the competition between emergent phases in frustrated two-dimension…
Magnetization of the spin-1/2 Heisenberg antiferromagnet on the triangular lattice
Qian Li, Hong Li, Jize Zhao +2
After decades of debate, now there is a rough consensus that at zero temperature the spin- Heisenberg antiferromagnet on the triangular lattice is three-sublattice …
Tensor network algorithm by coarse-graining tensor renormalization on finite periodic lattices
Hui-Hai Zhao, Zhi-Yuan Xie, Tao Xiang +1
We develop coarse-graining tensor renormalization group algorithms to compute physical properties of two-dimensional lattice models on finite periodic lattices. Two different coars…
The fine structure of the entanglement entropy in the classical XY model
Li-Ping Yang, Yuzhi Liu, Haiyuan Zou +2
We compare two calculations of the particle density in the superfluid phase of the classical XY model with a chemical potential in 1+1 dimensions.The first relies on exact bloc…
Progress towards quantum simulating the classical O(2) model
Haiyuan Zou, Yuzhi Liu, Chen-Yen Lai +8
We connect explicitly the classical model in 1+1 dimensions, a model sharing important features with lattice gauge theory, to physical models potentially implementabl…
Exact blocking formulas for spin and gauge models
Yuzhi Liu, Y. Meurice, M. P. Qin +5
Using the example of the two-dimensional (2D) Ising model, we show that in contrast to what can be done in configuration space, the tensor renormalization group (TRG) formulation a…
Tensor renormalization of quantum many-body systems using projected entangled simplex states
Z. Y. Xie, J. Chen, J. F. Yu +3
We propose a new class of tensor-network states, which we name projected entangled simplex states (PESS), for studying the ground-state properties of quantum lattice models. These…