166 citations · 308 across the 20 of their papers we have counts for
20 papers
Dynamical signatures of Hardcore-Boson Supersolid on the Triangular Lattice
Xingchuan Zhu, Qingyang Guo, Junsong Sun +6
We investigate the dynamical signatures of the supersolid phase in the triangular-lattice hardcore Bose-Hubbard model via large-scale quantum Monte Carlo simulations and linear spi…
Altermagnetism and its induced higher-order topology on the Lieb lattice
Xingmin Huo, Xingchuan Zhu, Chang-An Li +4
Altermagnetism (AM) has brought renewed attention to the Lieb lattice. Here, we broaden the scope of altermagnetic models on the Lieb lattice by using a general scheme based on spi…
Design of altermagnetic models from spin clusters
Xingchuan Zhu, Xingmin Huo, Shiping Feng +3
Altermagnetism, a new class of collinear compensated magnetic phase, has garnered tremendous interest because of its rich physics and promising applications. Physical models and ve…
Dispersions and magnetism of strain-induced pseudo Landau levels in Bernal-stacked bilayer graphene
Tianyu Liu, Jun-Hong Li, Xingchuan Zhu +3
Elastic strain can displace the massless Dirac fermions in monolayer graphene in a space-dependent fashion, similar to the effect of an external magnetic field, thus giving rise to…
Exact Demonstration of pair-density-wave superconductivity in the -Hubbard model
Xingchuan Zhu, Junsong Sun, Shou-Shu Gong +4
Describing and achieving `unconventional' superconductivity remains a forefront challenge in quantum many-body physics. Here we use a unitary mapping, combined with the well-establ…
Pseudo-magnetic fields in square lattices
Junsong Sun, Xingchuan Zhu, Tianyu Liu +2
We have investigated the effects of strain on two-dimensional square lattices and examined the methods for inducing pseudo-magnetic fields. In both the columnar and staggered -f…
Universal approach to p-wave triplet superconductivity in the Hubbard models
Wanpeng Han, Xingchuan Zhu, Shiping Feng +1
Spin-triplet superconductivity is actively pursued in condensed matter physics due to the potential applications in topological quantum computations. The related pairing mechanism…
Quantum Monte Carlo study of the attractive kagome-lattice Hubbard model
Xingchuan Zhu, Wanpeng Han, Shiping Feng +1
Recent experimental discovery of several families of kagome-lattice materials has boosted the interest in electronic correlations on kagome lattice. As an initial step to understan…
Emergent Anti-ferromagnetism in a Y -Shaped Kekulé Graphene
Chenyue Wen, Wanpeng Han, Xukun Feng +5
Antiferromagnetic (AF) transitions of birefringent Dirac fermions created by a Y-shaped Kekulé distortion in graphene are investigated by the mean-field theory and the determinant…
Quantum phase transitions from competing short- and long-range interactions on a -flux lattice
Xingchuan Zhu, Yiqun Huang, Huaiming Guo +1
Quantum phase transitions from the cluster-charge interaction, which is composed of competing short- and long-range interactions, are investigated on a -flux lattice by using th…
Unconventional ferromagnetism and spin-triplet superconductivity in the imbalanced Kagome-lattice Hubbard model
Chenyue Wen, Xingchuan Zhu, Ning Hao +2
Unconventional ferromagnetism and superconductivity in the imbalanced kagome-lattice Hubbard model are investigated by the mean-field theory and determinant quantum Monte Carlo met…
Superconducting pairing symmetry in the kagome-lattice Hubbard model
Chenyue Wen, Xingchuan Zhu, Zhisong Xiao +4
The dominating superconducting pairing symmetry of the kagome-lattice Hubbard model is investigated using the determinant quantum Monte Carlo method. The superconducting instabilit…
Quantum phase transitions of interacting bosons on hyperbolic lattices
Xingchuan Zhu, Jiaojiao Guo, Nikolas P. Breuckmann +2
The effect of many-body interaction in curved space is studied based on the extended Bose--Hubbard model on hyperbolic lattices. Using the mean-field approximation and quantum Mont…
Quantum Monte Carlo study of topological phases on a spin analogue of Benalcazar-Bernevig-Hughes model
Jiaojiao Guo, Junsong Sun, Xingchuan Zhu +3
We study the higher-order topological spin phases based on a spin analogue of Benalcazar-Bernevig-Hughes model in two dimensions using large-scale quantum Monte Carlo simulations.…
Magnon bands in twisted bilayer honeycomb quantum magnets
Xingchuan Zhu, Huaiming Guo, Shiping Feng
We study the magnon bands of twisted bilayer honeycomb quantum magnets using linear spin wave theory. Although the interlayer coupling can be ferromagnetic or antiferromagnetic, we…
Quantum magnetism of topologically-designed graphene nanoribbons
Xingchuan Zhu, Huaiming Guo, Shiping Feng
Based on the Hubbard models, quantum magnetism of topologically-designed graphene nanoribbons (GNRs) is studied using exact numerical simulations. We first study a two-band Hubbard…
Hardcore bosonic domain walls on honeycomb lattice
Xingchuan Zhu, Bo Li, Huaiming Guo +1
Linelike hardcore bosonic domain walls in a staggered potential on honeycomb lattice are studied using quantum Monte Carlo simulations. The phase diagrams of ribbons with zigzag an…
Self-Organized Bosonic Domain Walls
Xingchuan Zhu, Shiying Dong, Yang Lin +4
Hardcore bosons on honeycomb lattice ribbons with zigzag edges are studied using exact numerical simulations. We map out the phase diagrams of ribbons with different widths, which…
Topological bosonic states on ribbons of honeycomb lattice
Yiping Wang, Xingchuan Zhu, Kefei Zou +2
The topological properties of hardcore bosons on ribbons of honeycomb lattice are studied using quantum Monte Carlo simulations. We map out a rich phase diagram with the superfluid…
Pairing symmetry of interacting fermions on twisted bilayer graphene superlattice
Huaiming Guo, Xingchuan Zhu, Shiping Feng +1
The pairing symmetry of an effective Hamiltonian for interacting fermions on a twisted bilayer graphene superlattice is studied with the determinant quantum Monte Carlo method. The…