178 citations · 276 across the 21 of their papers we have counts for
21 papers
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…
Clifford disentanglers for entanglement reduction in molecular electronic structure simulations
Longfei Chang, Zibo Wu, Yunzhi Li +5
Entanglement is a key bottleneck limiting the efficiency of tensor-network and quantum simulations of molecular electronic structures. Here, we systematically assess and extend Cli…
The evolution of pairing correlation with electron filling in a bilayer two-orbital model for LaNiO
Y. F. Chen, Y. Shen, X. J. Qian +2
The discovery of high- superconductivity in pressurized bilayer nickelate LaNiO presents a new arena for exploring unconventional pairing mechanisms. A pivotal y…
Dismagicker: Unitary Gate for Non-Stabilizerness Reduction
Jiale Huang, Rongyi Lv, Xiangjian Qian +1
We introduce the notion of dismagicker: non-Clifford unitary gate designed to reduce the non-stabilizerness (also called magic) of quantum many-body states. Although both entanglem…
Floquet-induced bosonic pair condensate with unconventional symmetry
Zhizhen Chen, Jiale Huang, Mingpu Qin +1
In this study, we propose a dynamical pairing mechanism other than the pair-wise interactions. Starting from a two-dimensional hard-core boson model with periodically modulated hop…
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…
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…
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…
From the Shastry-Sutherland model to the - 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 - Heisenberg model. By employing large scale Density Matrix Renormali…
Numerical study of bi-layer two-orbital model for LaNiO on a plaquette ladder
Yang Shen, Jiale Huang, Xiangjian Qian +2
The recently discovered high- superconductivity in LaNiO with provides another intriguing platform to explore the microscopic mechanism of…
Disentangling critical quantum spin chains with Clifford circuits
Chaohui Fan, Xiangjian Qian, Hua-Chen Zhang +3
Clifford circuits can be utilized to disentangle quantum states with polynomial cost, thanks to the Gottesman-Knill theorem. Based on this idea, the Clifford circuits augmented mat…
Augmenting Finite Temperature Tensor Network with Clifford Circuits
Xiangjian Qian, Jiale Huang, Mingpu Qin
Recent studies have highlighted the combination of tensor network methods and the stabilizer formalism as a very effective framework for simulating quantum many-body systems, encom…
Non-stabilizerness Entanglement Entropy: a measure of hardness in the classical simulation of quantum many-body systems
Jiale Huang, Xiangjian Qian, Mingpu Qin
Classical and quantum states can be distinguished by entanglement entropy, which can be viewed as a measure of quantum resources. Entanglement entropy also plays a pivotal role in…
Atomic-Scale Imaging of Fractional Spinon Quasiparticles in Open-Shell Triangulene Spin- Chains
Zhangyu Yuan, Xin-Yu Zhang, Yashi Jiang +14
The emergence of spinon quasiparticles, which carry spin but lack charge, is a hallmark of collective quantum phenomena in low-dimensional quantum spin systems. While the existence…
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.…
Plaquette-type valence bond solid state in the - 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_2…
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…
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…
On the Magnetization of the 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 order in the spin-1/2 triangular lattice Heisenberg model (TLHM) with Density Matrix Renormalization Group (DMRG). T…
Effective bi-layer model Hamiltonian and density-matrix renormalization group study for the high-Tc superconductivity in LaNiO under high pressure
Yang Shen, Mingpu Qin, Guang-Ming Zhang
High-Tc superconductivity with possible has been reported in the single crystal of under high pressure. Based on the ele…
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…