323 citations · 1.5k across the 27 of their papers we have counts for
27 papers
Giant Magnetocaloric Effect in Spin Supersolid Candidate NaBaCo(PO)
Junsen Xiang, Chuandi Zhang, Yuan Gao +16
Supersolid, an exotic quantum state of matter that consists of particles forming an incompressible solid structure while simultaneously showing superfluidity of zero viscosity [1],…
Type-II antiferromagnetic ordering in double perovskite oxide SrNiWO
Cheng Su, Xu-Tao Zeng, Kaitong Sun +5
Magnetic double perovskite compounds provide a fertile playground to explore interesting electronic and magnetic properties. By complementary macroscopic characterizations, neutron…
Dipolar Spin Liquid Ending with Quantum Critical Point in a Gd-based Triangular Magnet
Junsen Xiang, Cheng Su, Ning Xi +12
By performing experiment and model studies on a triangular-lattice dipolar magnet KBaGd(BO) (KBGB), we find the highly frustrated magnet with a planar anisotropy hosts a st…
Second-order and real Chern topological insulator in twisted bilayer -graphyne
Bin-Bin Liu, Xu-Tao Zeng, Cong Chen +2
The study of higher-order and real topological states as well as the material realization have become a research forefront of topological condensed matter physics in recent years.…
Doping-induced structural transformation in the spin-1/2 triangular-lattice antiferromagnet NaBaSrCo(PO)
Chuandi Zhang, Qianhui Xu, Xu-Tao Zeng +10
The effects of Sr doping on the structural properties of NaBaCo(PO), a spin-1/2 triangular-lattice antiferromagnet as a quantum spin liquid candidate, are investi…
Zigzag magnetic order in a novel tellurate compound NaNiTeO with = 1 chains
Cheng Su, Xu-Tao Zeng, Yi Li +9
NaNiTeO is a rare example in the transition-metal tellurate family of realizing an = 1 spin-chain structure. By performing neutron powder diffraction measurements…
Topological hinge modes in Dirac semimetals
Xu-Tao Zeng, Ziyu Chen, Cong Chen +3
Dirac semimetals (DSMs) are an important class of topological states of matter. Here, focusing on DSMs of band inversion type, we investigate their boundary modes from the effectiv…
Second-Order Real Nodal-Line Semimetal in Three-Dimensional Graphdiyne
Cong Chen, Xu-Tao Zeng, Ziyu Chen +3
Real topological phases featuring real Chern numbers and second-order boundary modes have been a focus of current research, but finding their material realization remains a challen…
Significant Inverse Magnetocaloric Effect induced by Quantum Criticality
Tao Liu, Xin-Yang Liu, Yuan Gao +6
The criticality-enhanced magnetocaloric effect (MCE) near a field-induced quantum critical point (QCP) in the spin systems constitutes a very promising and highly tunable alternati…
Quantum Spin Liquid with Emergent Chiral Order in the Triangular-lattice Hubbard Model
Bin-Bin Chen, Ziyu Chen, Shou-Shu Gong +3
The interplay between spin frustration and charge fluctuation gives rise to an exotic quantum state in the intermediate-interaction regime of the half-filled triangular-lattice Hub…
Graphyne as a second-order and real Chern topological insulator in two dimensions
Cong Chen, Weikang Wu, Zhi-Ming Yu +4
Higher-order topological phases and real topological phases are two emerging topics in topological states of matter, which have been attracting considerable research interest. Howe…
Realization of Topological Mott Insulator in a Twisted Bilayer Graphene Lattice Model
Bin-Bin Chen, Yuan Da Liao, Ziyu Chen +4
Magic-angle twisted bilayer graphene has recently become a thriving material platform realizing correlated electron phenomena taking place within its topological flat bands. Severa…
Quantum Many-Body Simulations of the 2D Fermi-Hubbard Model in Ultracold Optical Lattices
Bin-Bin Chen, Chuang Chen, Ziyu Chen +6
Understanding quantum many-body states of correlated electrons is one main theme in modern condensed matter physics. Given that the Fermi-Hubbard model, the prototype of correlated…
Universal Approach to Magnetic Second-Order Topological Insulator
Cong Chen, Zhida Song, Jian-Zhou Zhao +4
We propose a universal practical approach to realize magnetic second-order topological insulator (SOTI) materials, based on properly breaking the time reversal symmetry in conventi…
Large transverse thermoelectric figure of merit in a Dirac semimetal
Junsen Xiang, Sile Hu, Meng Lyu +6
Thermoelectric (TE) conversion in conducting materials is of eminent importance for providing renewable energy and solid-state cooling. Although traditionally, the Seebeck effect p…
Thermal Tensor Renormalization Group Simulations of Square-Lattice Quantum Spin Models
Han Li, Bin-Bin Chen, Ziyu Chen +3
In this work, we benchmark the well-controlled and numerically accurate exponential thermal tensor renormalization group (XTRG) in the simulation of interacting spin models in two…
Two-dimensional second-order topological insulator in graphdiyne
Xian-Lei Sheng, Cong Chen, Huiying Liu +4
A second-order topological insulator (SOTI) in spatial dimensions features topologically protected gapless states at its -dimensional boundary at the intersection of two…
Weyl-loop half metal in Li(FeO)
Cong Chen, Zhi-Ming Yu, Si Li +3
Nodal-line metals and semimetals, as interesting topological states of matter, have been mostly studied in nonmagnetic materials. Here, based on first-principles calculations and s…
Giant magnetic quantum oscillations in the thermal conductivity of TaAs: Indications of chiral zero sound
Junsen Xiang, Sile Hu, Zhida Song +12
Charge transport of topological semimetals has been in the focus of intensive investigations because of their non-trivial band topology. Heat transport of these materials, on the o…
Exponential Thermal Tensor Network Approach for Quantum Lattice Models
Bin-Bin Chen, Lei Chen, Ziyu Chen +2
We speed up thermal simulations of quantum many-body systems in both one- (1D) and two-dimensional (2D) models in an exponential way by iteratively projecting the thermal density m…
From Multiple Nodal Chain to Dirac/Weyl Semimetal and Topological Insulator in Ternary Hexagonal Materials
Cong Chen, Zefeng Su, Xiaoming Zhang +2
Dirac semimetal (DSM) hosts four-fold degenerate isolated band-crossing points with linear dispersion, around which the quasiparticles resemble the relativistic Dirac Fermions. It…
Hybrid Dirac Semimetal in CaAgBi Materials Family
Cong Chen, Shan-Shan Wang, Lei Liu +4
Based on their formation mechanisms, Dirac points in three-dimensional systems can be classified as accidental or essential. The former can be further distinguished into type-I and…
Series-Expansion Thermal Tensor Network Approach for Quantum Lattice Models
Bin-Bin Chen, Yun-Jing Liu, Ziyu Chen +1
In this work we propose a series-expansion thermal tensor network (SETTN) approach for efficient simulations of quantum lattice models. This continuous-time SETTN method is based o…
Criticality-Enhanced Magnetocaloric Effect in Quantum Spin Chain Material Copper Nitrate
Junsen Xiang, Cong Chen, Wei Li +5
Low-dimensional quantum magnets, due to the existence of abundant exotic quantum phases therein and experimental feasibilities in laboratories, continues intriguing people in conde…