41 citations · 314 across the 22 of their papers we have counts for
22 papers
bands driven high-temperature superconductivity in hydrogenated hexagonal BC monolayer
Guo Chen, Ru Zheng, Jin-Hua Sun +5
Material with metallic -bonding bands is expected to be a high-temperature superconductor, due to the sensitivity of electrons to lattice vibration. Based on the first-princ…
Strain-triggered high-temperature superconducting transition in two-dimensional carbon allotrope
Tian Yan, Ru Zheng, Jin-Hua Sun +5
Driving non-superconducting materials into a superconducting state through specific modulation is a key focus in the field of superconductivity. Pressure is a powerful method that…
Spin-Orbital Altermagnetism
Zi-Ming Wang, Yang Zhang, Song-Bo Zhang +4
Altermagnet is a newly discovered magnetic phase, characterized by non-relativistic spin-splitting that has been experimentally observed. Here, we introduce a framework dubbed {\it…
Exotic d-wave Cooper Pair Bose Metal in two dimensions
Zhangkai Cao, Jiahao Su, Jianyu Li +5
The study of non-Fermi liquids sheds light on unconventional phenomena in condensed matter systems that lie beyond the scope of Landau Fermi liquid theory. One intriguing example i…
Tunable correlation effects of magnetic impurities by the cubic Rashba spin-orbit couplings
Xiong-Tao Peng, Fang Lin, Liang Chen +3
We theoretically study the influence of the -cubic Rashba spin-orbit coupling (SOC) on the correlation effects of magnetic impurities by combining the variational method and the…
Floquet Weyl semimetal phases in light-irradiated higher-order topological Dirac semimetals
Zi-Ming Wang, Rui Wang, Jin-Hua Sun +2
Floquet engineering, the concept of tailoring a system by a periodic drive, is increasingly exploited to design and manipulate topological phases of matter. In this work, we study…
Additive rule of real and reciprocal space topologies at disclinations
Qinghua He, Jinhua Sun, Hai-Yao Deng +2
Topological materials are renowned for their ability to harbor states localized at their peripheries, such as surfaces, edges, and corners. Accompanying these states, fractional ch…
Magnon corner states in twisted bilayer honeycomb magnets
Chun-Bo Hua, Feiping Xiao, Zheng-Rong Liu +6
Search for higher-order topological insulators, characterized by topologically protected gapless boundary states of codimension higher than one, in bosonic systems has attracted gr…
Topological phases in N-layer ABC-graphene boron-nitride moire superlattices
David Andres Galeano Gonzalez, Bheema Lingam Chittari, Youngju Park +2
Rhombohedral trilayer graphene on hexagonal boron nitride (TLG/BN) hosts gate-tunable, valley-contrasting, nearly flat topological bands that can trigger spontaneous quantu…
Electron-hole asymmetry and band gaps of commensurate double moire patterns in twisted bilayer graphene on hexagonal boron nitride
Jiseon Shin, Youngju Park, Bheema Lingam Chittari +1
Spontaneous orbital magnetism observed in twisted bilayer graphene (tBG) on nearly aligned hexagonal boron nitride (BN) substrate builds on top of the electronic structure resultin…
Lifshitz phase transitions in one-dimensional Gamma model
Zi-An Liu, Tian-Cheng Yi, Jin-Hua Sun +2
In this paper, we study quantum phase transitions and magnetic properties of a one-dimensional spin-1/2 Gamma model, which describes the off-diagonal exchange interactions between…
Topological flat bands without magic angles in massive twisted bilayer graphenes
Srivani Javvaji, Jinhua Sun, Jeil Jung
Twisted bilayer graphene (TBG) hosts nearly flat bands with narrow bandwidths of a few meV at certain {\em magic} twist angles. Here we show that in twisted gapped Dirac material b…
Spatial anisotropy of Kondo screening cloud in a type-II Weyl semimetal
Lu-Ji Wang, Xing-Tai Hu, Lin Li +3
We theoretically study the Kondo screening of a spin-1/2 magnetic impurity in the bulk of a type-II Weyl semimetal (WSM) by use of the variational wave function method. We consider…
Phase diagrams of Weyl semimetals with competing intraorbital and interorbital disorders
Rui Chen, Chui-Zhen Chen, Jin-Hua Sun +2
A Weyl semimetal (WSM) is a topological material that hosts Weyl fermions as quasiparticles in the bulk. We study the combined effect of intra- and interorbital disorders on WSMs b…
Single Magnetic Impurity in Tilted Dirac Surface States
Jin-Hua Sun, Lu-Ji Wang, Xing-Tai Hu +2
We utilize variational method to investigate the Kondo screening of a spin-1/2 magnetic impurity in tilted Dirac surface states with the Dirac cone tilted along the -axis. We…
A magnetic Impurity in a Weyl semimetal
Jin-Hua Sun, Dong-Hui Xu, Fu-Chun Zhang +1
We utilize the variational method to study the Kondo screening of a spin- magnetic impurity in a three-dimensional (3D) Weyl semimetal with two Weyl nodes along the -axis…
The Kondo Temperature of a Two-dimensional Electron Gas with Rashba Spin-orbit Coupling
Liang Chen, Jinhua Sun, Ho-Kin Tang +1
We use the Hirsch-Fye quantum Monte Carlo method to study the single magnetic impurity problem in a two-dimensional electron gas with Rashba spin-orbit coupling. We calculate the s…
Electrically controllable magnetic order in the bilayer Hubbard model on honeycomb lattice --- a determinant quantum Monte Carlo study
Jinhua Sun, Donghui Xu, Yi Zhou +1
Layered antiferromagnetic spin density wave (LAF) state is one of the plausible ground states of charge neutral Bernal stacked bilayer graphene. In this paper, we use determinant q…
The Pairing of Spin-orbit Coupled Fermi Gas in Optical Lattice
Ho-Kin Tang, Xiaosen Yang, Jinhua Sun +1
We investigate Rashba spin-orbit coupled Fermi gases in square optical lattice by using the determinant quantum Monte Carlo (DQMC) simulations which is free of the sign-problem. We…
Spin-spin interaction in the bulk of topological insulators
Jinhua Sun, Liang Chen, Hai-Qing Lin
We apply mean-field theory and Hirsch-Fye quantum Monte Carlo method to study the spin-spin interaction in the bulk of three-dimensional topological insulators. We find that the sp…
Localized States and Quantum Spin Hall Effect in Si-Doped InAs/GaSb Quantum Wells
Dong-Hui Xu, Jin-Hua Gao, Chao-Xing Liu +3
We study localized in-gap states and quantum spin Hall effect in Si-doped InAs/GaSb quantum wells. We propose a model describing donor and/or acceptor impurities to describe Si dop…
Indirect exchange of magnetic impurities in zigzag graphene ribbon
J. H. Sun, F. M. Hu, H. K. Tang +2
We use quantum Monte Carlo method to study the indirect coupling between two magnetic impurities on the zigzag edge of graphene ribbon, with respect to the chemical potential .…