Mingpu Qin

activity

20222026

most citedEffective bi-layer model Hamiltonian and density-matrix renormalization group study for the high-Tc superconductivity in La

_{3}

_{2}

_{7}

under high pressure

178 citations · 276 across the 21 of their papers we have counts for

collaborators

Showing cond-mat.str-elShow all

14 papers · 1 filter

cond-mat.str-el2026

On the precise boundary of the Néel antiferromagnetic phase in the Shastry-Sutherland model

Rongyi Lv, Xiangjian Qian, Mingpu Qin

The ground state phase diagram of the Shastry-Sutherland model remains controversial. In particular, the nature of the transition between the plaquette valence bond solid (PVBS) ph…

cond-mat.str-el2026

The evolution of pairing correlation with $3 d_{z^{2}}$ electron filling in a bilayer two-orbital model for La $_{3}$ Ni $_{2}$ O $_{7}$

Y. F. Chen, Y. Shen, X. J. Qian +2

The discovery of high- $T_{c}$ superconductivity in pressurized bilayer nickelate La $_{3}$ Ni $_{2}$ O $_{7}$ presents a new arena for exploring unconventional pairing mechanisms. A pivotal y…

cond-mat.str-el2025

Disentangling Kitaev Quantum Spin Liquid

Xiang Li, Xiangjian Qian, Mingpu Qin

In this work, we investigate the Kitaev honeycomb model employing the recently developed Clifford Circuits Augmented Matrix Product States (CAMPS) method. While the model in the ga…

cond-mat.str-el2025

On the correlation between entanglement and the negative sign problem

Ping Xu, Yang Shen, Yuan-Yao He +1

In this work, we study the correlation between entanglement and the negative sign problem in quantum Monte Carlo for the simulation of low-dimensional strongly correlated quantum m…

cond-mat.str-el2024

Clifford circuits Augmented Matrix Product States for fermion systems

Jiale Huang, Xiangjian Qian, Mingpu Qin

Clifford circuits Augmented Matrix Product States (CAMPS) was recently proposed to leverage the advantages of both Clifford circuits and Matrix Product States (MPS). Clifford circu…

cond-mat.str-el2024★ 3 cited

From the Shastry-Sutherland model to the $J_{1}$ - $J_{2}$ Heisenberg model

Xiangjian Qian, Rongyi Lv, Jong Yeon Lee +1

We propose a generalized Shastry-Sutherland model which bridges the Shastry-Sutherland model and the $J_{1}$ - $J_{2}$ Heisenberg model. By employing large scale Density Matrix Renormali…

cond-mat.str-el2024★ 3 cited

Numerical study of bi-layer two-orbital model for La $_{3}$ Ni $_{2}$ O $_{7}$ on a plaquette ladder

Yang Shen, Jiale Huang, Xiangjian Qian +2

The recently discovered high- $T_{c}$ superconductivity in La $_{3}$ Ni $_{2}$ O $_{7}$ with $T_{c} \approx 80 K$ provides another intriguing platform to explore the microscopic mechanism of…

cond-mat.str-el2024

Clifford Circuits Augmented Time-Dependent Variational Principle

Xiangjian Qian, Jiale Huang, Mingpu Qin

The recently proposed Clifford Circuits Augmented Matrix Product States (CA-MPS) (arXiv:2405.09217) seamlessly augments Density Matrix Renormalization Group with Clifford circuits.…

cond-mat.str-el2024★ 5 cited

Plaquette-type valence bond solid state in the $J_{1}$ - $J_{2}$ square-lattice Heisenberg model

Jiale Huang, Xiangjian Qian, Mingpu Qin

We utilize Density Matrix Renormalization Group (DMRG) and Fully Augmented Matrix Product States (FAMPS) methods to investigate the Valence Bond Solid (VBS) phase in the $J_{1}$ -$J_2…

cond-mat.str-el2024★ 44 cited

Augmenting Density Matrix Renormalization Group with Clifford Circuits

Xiangjian Qian, Jiale Huang, Mingpu Qin

Density Matrix Renormalization Group (DMRG) or Matrix Product States (MPS) are widely acknowledged as highly effective and accurate methods for solving one-dimensional quantum many…

cond-mat.str-el2024★ 1 cited

Parent Hamiltonian for Fully-augmented Matrix Product States

Xiangjian Qian, Mingpu Qin

Density matrix renormalization group (DMRG) or matrix product states (MPS) is the most effective and accurate method for studying one-dimensional quantum many-body systems. However…

cond-mat.str-el2023★ 7 cited

On the Magnetization of the $12 0^{\circ}$ order of the Spin-1/2 Triangular Lattice Heisenberg Model: a DMRG revisit

Jiale Huang, Xiangjian Qian, Mingpu Qin

We revisit the issue about the magnetization of the $12 0^{\circ}$ order in the spin-1/2 triangular lattice Heisenberg model (TLHM) with Density Matrix Renormalization Group (DMRG). T…

cond-mat.str-el2023★ 178 cited

Effective bi-layer model Hamiltonian and density-matrix renormalization group study for the high-Tc superconductivity in La $_{3}$ Ni $_{2}$ O $_{7}$ under high pressure

Yang Shen, Mingpu Qin, Guang-Ming Zhang

High-Tc superconductivity with possible $T_{c} \approx 80 K$ has been reported in the single crystal of $La_{3} Ni_{2} O_{7}$ under high pressure. Based on the ele…

cond-mat.str-el2022★ 22 cited

Augmenting Density Matrix Renormalization Group with Disentanglers

Xiangjian Qian, Mingpu Qin

Density Matrix Renormalization Group (DMRG) and its extensions in the form of Matrix Product States (MPS) are arguably the choice for the study of one dimensional quantum systems i…

On the precise boundary of the Néel antiferromagnetic phase in the Shastry-Sutherland model

The evolution of pairing correlation with 3dz2​ electron filling in a bilayer two-orbital model for La3​Ni2​O7​

Disentangling Kitaev Quantum Spin Liquid

On the correlation between entanglement and the negative sign problem

Clifford circuits Augmented Matrix Product States for fermion systems

From the Shastry-Sutherland model to the J1​-J2​ Heisenberg model

Numerical study of bi-layer two-orbital model for La3​Ni2​O7​ on a plaquette ladder

Clifford Circuits Augmented Time-Dependent Variational Principle

Plaquette-type valence bond solid state in the J1​-J2​ square-lattice Heisenberg model

Augmenting Density Matrix Renormalization Group with Clifford Circuits

Parent Hamiltonian for Fully-augmented Matrix Product States

On the Magnetization of the 120∘ order of the Spin-1/2 Triangular Lattice Heisenberg Model: a DMRG revisit

Effective bi-layer model Hamiltonian and density-matrix renormalization group study for the high-Tc superconductivity in La3​Ni2​O7​ under high pressure

Augmenting Density Matrix Renormalization Group with Disentanglers

The evolution of pairing correlation with $3 d_{z^{2}}$ electron filling in a bilayer two-orbital model for La $_{3}$ Ni $_{2}$ O $_{7}$

From the Shastry-Sutherland model to the $J_{1}$ - $J_{2}$ Heisenberg model

Numerical study of bi-layer two-orbital model for La $_{3}$ Ni $_{2}$ O $_{7}$ on a plaquette ladder

Plaquette-type valence bond solid state in the $J_{1}$ - $J_{2}$ square-lattice Heisenberg model

On the Magnetization of the $12 0^{\circ}$ order of the Spin-1/2 Triangular Lattice Heisenberg Model: a DMRG revisit

Effective bi-layer model Hamiltonian and density-matrix renormalization group study for the high-Tc superconductivity in La $_{3}$ Ni $_{2}$ O $_{7}$ under high pressure