34 citations · 143 across the 29 of their papers we have counts for
30 papers
Topological phase rectification via Aharonov-Bohm interference in a Majorana--quantum-dot interferometer
Jia Liu, Hao-Yuan Yang, Yuan Hong +5
We propose and theoretically investigate a topological superconducting rectifier based on a quantum-dot--Majorana interferometer. The Aharonov-Bohm phase, controlled by a magnetic…
Resonant-impurity scanning tunneling spectroscopy in altermagnets: dual Fano resonance and Landau-quantization-induced nodal spin contrast
Yuan Hong, Zhigang Wang, Zhen-Guo Fu +4
Using a Green's-function formalism, we study the spin-resolved local spectral function of a resonant impurity coupled to a two-dimensional % -wave altermagnetic substrate. It is…
Higher-Order Topological Superconductivity and Electrically Tunable Majorana Corner Modes in Monolayer MnXPb (X=Se, Te)-Pb Heterostructure
Yongting Shi, Qing Wang, Zhen-Guo Fu +2
Higher-order topological superconductors host Majorana zero modes localized at corners or hinges, providing a promising route toward scalable and controllable Majorana networks wit…
Multi-gap and high-Tc superconductivity in metal-atom-free borocarbides: Effects of dimensional confinement and strain engineering
Hao-Dong Liu, Wei-Yi Zhang, Zhen-Guo Fu +5
Pure borocarbides suffer from limited superconducting potential due to intrinsic structural instability, requiring transition/alkali metals as dual-functional stabilizers and dopan…
Nonmagnetic ground state of marcasite FeTe: The competition between crystal field splitting and on-site Coulomb repulsion
Yue-Fei Hou, Zhibin Shao, Minghu Pan +4
The magnetic ground states in crystalline systems are significant for both fundamental condensed matter physics and practical materials engineering. Marcasite FeTe, character…
New-record-Tc and three-gap 2D superconductors with electronic and phononic topology: KB2C2
Hao-Dong Liu, Xin-Peng Fu, Zhen-Guo Fu +2
Pursuing higher-temperature superconductors under ambient pressure continues to be a prominent topic in materials discovery. Isomorphic structures like MgB2 exhibit potential for c…
Three-gap superconductivity with above 80 K in hydrogenated 2D monolayer LiBC
Hao-Dong Liu, Bao-Tian Wang, Zhen-Guo Fu +2
Although the metalization of semiconductor bulk LiBC has been experimentally achieved, various flaws, including the strong lattice distortion, the uncontrollability of phase transi…
Magnetic ground state of monolayer CeI: occupation matrix control and DFT+U calculations
Yue-Fei Hou, Shujing Li, Xinlong Yang +5
The magnetic ground state is crucial for the applications of the two-dimension magnets as it decides fundamental magnetic properties of the material, such as magnetic order, magnet…
Sumanene monolayer of pure carbon: a two-dimensional Kagome-analogy lattice with desirable band gap, ultrahigh carrier mobility and strong exciton binding energy
Xiaoran Shi, Weiwei Gao, Hongsheng Liu +5
Design and synthesis of novel two-dimensional (2D) materials that possess robust structural stability and unusual physical properties may open up enormous opportunities for device…
Stability and superconductivity of freestanding two-dimensional transition metal boridene: M4/3B2
Xiaoran Shi, Junfeng Gao, Shi Qiu +5
The small atomic mass of boron indicates strong electron-phonon coupling, so it may have a brilliant performance in superconductivity. Recently, a new 2D boride sheet with ordered…
Large non-reciprocal charge transport in Pt2MnGe up to room temperature
K. K. Meng, K. Wang, N. N. Zhang +6
Non-reciprocal charge transport that is strongly associated with the structural or magnetic chirality of the quantum materials system is one of the most exotic properties of conden…
Selective Trapping of Hexagonally Warped Topological Surface States in a Triangular Quantum Corral
Mu Chen, Yeping Jiang, Junping Peng +10
The surface of a three-dimensional topological insulator (TI) hosts two-dimensional massless Dirac fermions (DFs), the gapless and spin-helical nature of which yields many exotic p…
Interface-driven unusual anomalous Hall effect in MnxGa/Pt bilayers: No correlation with chiral spin structures
Kangkang Meng, Lijun Zhu, Zhenhu Jin +10
The effects of spin-orbit coupling and symmetry breaking at the interface between a ferromagnet and heavy metal are particularly important for spin-based information storage and co…
Anisotropic Fabry-Pérot resonant states confined within nano-steps on the topological insulator surface
Zhen-Guo Fu, Ping Zhang, Mu Chen +3
The peculiar nature of topological surface states, such as absence of backscattering, weak anti-localization, and quantum anomalous Hall effect, has been demonstrated mainly in bul…
Direct observation of quantum confinement of massless Dirac fermions in a topological insulator
Mu Chen, Zhen-Guo Fu, Jun-Ping Peng +9
Since the discovery of topological insulators (TIs)1,2, the peculiar nature of their chiral surface states has been experimentally demonstrated both in bulk and in film materials w…
The effect of the warping term on the fractional quantum Hall states in topological insulators
Fawei Zheng, Zhigang Wang, Zhen-Guo Fu +1
The warping effect on the fractional quantum Hall (FQH) states in topological insulators is studied theoretically. Based on the perturbed wavefunctions, which include contributions…
Fractional quantum Hall effect of topological surface states under a strong tilted magnetic field
Fawei Zheng, Zhigang Wang, Zhen-Guo Fu +1
The fractional quantum Hall effect (FQHE) of topological surface-state particles under a tilted strong magnetic field is theoretically studied by using the exact diagonalization me…
Fractional quantum Hall effect in topological insulators: The role of Zeeman effect
Zhigang Wang, Fawei Zheng, Zhen-Guo Fu +1
We study the role of Zeeman effect in fractional quantum Hall effect (FQHE) on the surface of topological insulators (TIs). We show that the effective pseudopotentials of the Coulo…
Pseudo-magnetoexcitons in strained graphene bilayers without external magnetic fields
Zhigang Wang, Zhen-Guo Fu, Fawei Zheng +1
The structural and electronic properties of graphene leads its charge carriers to behave like relativistic particles, which is described by a Dirac-like Hamiltonian. Since graphene…
Theory of multiple magnetic scattering for quasiparticles on a gapless topological insulator surface
Zhen-Guo Fu, Ping Zhang, Zhigang Wang +2
We develop a general low-energy multiple-scattering partial-wave theory for gapless topological insulator (TI) surfaces in the presence of magnetic impurities. As applications, we…
Superfluidity and effective mass of magnetoexcitons in topological insulator bilayers: Effect of inter-Landau-level Coulomb interaction
Zhigang Wang, Zhen-Guo Fu, Ping Zhang
The effective mass and superfluidity-normal phase transition temperature of magnetoexcitons in topological insulator bilayers are theoretically investigated. The intra-Landau-level…
Magnetoexcitons and optical absorption of bilayer-structured topological insulators
Zhigang Wang, Zhen-Guo Fu, Ping Zhang
Optical absorption properties of magnetoexcitons in topological insulator bilayers under a strong magnetic field are theoretically studied. A general analytical formula of optical…
Probing crossover from analogous weak antilocalization to localization by an Aharonov-Bohm interferometer on topological insulator surface
Zhen-Guo Fu, Ping Zhang, Shu-Shen Li
We propose a scanning tunneling microscopy Aharonov-Bohm (AB) interferometer on the surface of a topological insulator (TI) to probe the crossover from analogous weak antilocalizat…
Quasiparticle states and quantum interference induce by magnetic impurities on a two-dimensional topological superconductor
Zhen-Guo Fu, Ping Zhang, Zhigang Wang +1
We theoretically study the effect of localized magnetic impurities on two-dimensional topological superconductor (TSC). We show that the local density of states (LDOS) can be tuned…