276 citations · 3.6k across the 79 of their papers we have counts for
79 papers
Room-Temperature Bound States in the Continuum Polariton Condensation
Xianxin Wu, Jiepeng Song, Shuai Zhang +7
Exciton-polaritons resulting from the strong exciton-photon interaction stimulate the development of novel coherent light sources with low threshold, long range spatial, and tempor…
Nodal s Pairing Symmetry in an Iron-Based Superconductor with only Hole Pockets
Dingsong Wu, Junjie Jia, Jiangang Yang +26
The origin of the high temperature superconductivity in the iron-based superconductors remains elusive after being extensively studied for more than a decade. Determination of the…
Double and Quadruple Flat Bands tuned by Alternative magnetic Fluxes in Twisted Bilayer Graphene
Congcong Le, Qiang Zhang, Cui Fan +2
Twisted bilayer graphene (TBG) can host the moiré energy flat bands with two-fold degeneracy serving as a fruitful playground for strong correlations and topological phases. Howeve…
Hyperbolic fringe signal for twin impurity quasiparticle interference
Peize Ding, Tilman Schwemmer, Ching Hua Lee +2
We study the quasiparticle interference (QPI) pattern emanating from a pair of adjacent impurities on the surface of a gapped superconductor (SC). We find that hyperbolic fringes (…
Caging-Pnictogen-Induced Superconductivity in Skutterudites IrX3 (X = As, P)
Cuiying Pei, Tianping Ying, Qinghua Zhang +12
Here we report on a new kind of compound, XδIr4X12-δ (X = P, As), the first hole-doped skutterudites superconductor. We provide atomic resolution images of the caging As atoms usin…
Diagnosis of pairing symmetry by vortex and edge spectra in kagome superconductors
Peize Ding, Ching Hua Lee, Xianxin Wu +1
Layered kagome metals AV3Sb5 (A=K, Rb, Cs) exhibit diverse correlated electron phenomena. It includes charge density wave formation and superconductivity the pairing symmetry of wh…
Topological -wave nodal-line superconductivity with flat surface bands in the AHCrAs (A=Na, K, Rb, Cs) superconductors
Juan-Juan Hao, Ming Zhang, Xian-Xin Wu +1
We study the pairing symmetry and the topological properties of the hydrogen-doped ACrAs superconductors. Based on our first-principle band structure with spin-orbit-coupli…
Coexistence of Tri-Hexagonal and Star-of-David Pattern in the Charge Density Wave of the Kagome Superconductor AVSb
Yong Hu, Xianxin Wu, Brenden R. Ortiz +5
The recently discovered layered kagome metals AVSb(A=K, Rb, Cs) have attracted much attention because of their unique combination of superconductivity, charge density wave…
Spectroscopic Evidence for a Three-Dimensional Charge Density Wave in Kagome Superconductor CsVSb
Cong Li, Xianxin Wu, Hongxiong Liu +10
The recently discovered AV3Sb5 (A=K, Rb, Cs) family, possessing V kagome nets, has received considerable attention due to the topological electronic structure and intriguing correl…
Van Hove tuning of AV3Sb5 kagome metals under pressure and strain
Armando Consiglio, Tilman Schwemmer, Xianxin Wu +5
From first-principles calculations, we investigate the structural and electronic properties of the kagome metals AV3Sb5 (A = Cs, K, Rb) under isotropic and anisotropic pressure. Ch…
Lifshitz transition enhanced triplet -wave superconductivity in hydrogen doped KCrAs
Ming Zhang, Juan-Juan Hao, Xianxin Wu +1
The recently synthesized air-insensitive hydrogen doped KCrAs superconductor has aroused great research interests. This material has, for the first time in the research are…
Competing Vortex Topologies in Iron-based Superconductors
Lun-Hui Hu, Xianxin Wu, Chao-Xing Liu +1
In this work, we establish a new theoretical paradigm for vortex Majorana physics in the recently discovered topological iron-based superconductors (tFeSCs). While tFeSCs are widel…
Symmetry-enforced topological band crossings in orthorhombic crystals: Classification and materials discovery
Andreas Leonhardt, Moritz M. Hirschmann, Niclas Heinsdorf +3
We identify all symmetry-enforced band crossings in nonmagnetic orthorhombic crystals with and without spin-orbit coupling and discuss their topological properties. We find that or…
Rich Nature of Van Hove Singularities in Kagome Superconductor CsVSb
Yong Hu, Xianxin Wu, Brenden R. Ortiz +9
The recently discovered layered kagome metals AVSb (A=K, Rb, Cs) exhibit diverse correlated phenomena, which are intertwined with a topological electronic structure with mu…
Competition of superconductivity and charge density wave in selective oxidized CsV3Sb5 thin flakes
Yanpeng Song, Tianping Ying, Xu Chen +6
The recently discovered layered kagome metals AVSb (A = K, Rb, and Cs) with vanadium kagome networks provide a novel platform to explore correlated quantum states intertwin…
Nature of unconventional pairing in the kagome superconductors AVSb
Xianxin Wu, Tilman Schwemmer, Tobias Müller +10
The recent discovery of AVSb (A=K,Rb,Cs) has uncovered an intriguing arena for exotic Fermi surface instabilities in a kagome metal. Among them, superconductivity is found…
Topological insulators in the NaCaBi family with large SOC gaps
Dexi Shao, Zhaopeng Guo, Xianxin Wu +4
By means of first-principles calculations and crystal structure searching techniques, we predict that a new NaCaBi family crystallized into the ZrBeSi-type structure (\ie $P6_{3}/m…
From high- to low-: Multi-orbital effects in transition metal oxides
Michael Klett, Tilman Schwemmer, Sebastian Wolf +8
Despite the structural resemblance of certain cuprate and nickelate parent compounds there is a striking spread of among such transition metal oxide superconductors. We adopt…
Origin of the Electronic Structure in Single-Layer FeSe/SrTiO3 Films
Defa Liu, Xianxin Wu, Fangsen Li +18
The accurate theoretical description of the underlying electronic structures is essential for understanding the superconducting mechanism of iron-based superconductors. Compared to…
Direct evidence of electron-hole compensation for XMR in topologically trivial YBi
Shaozhu Xiao, Yinxiang Li, Yong Li +9
The prediction of topological states in rare earth monopnictide compounds has attracted renewed interest. Extreme magnetoresistance (XMR) has also been observed in several nonmagne…
BaCuS2: a superconductor with moderate electron-electron correlation
Yuhao Gu, Xianxin Wu, Kun Jiang +1
We show that the layered-structure BaCuS is a moderately correlated electron system in which the electronic structure of the CuS layer bears a resemblance to those in both cupr…
Zone-folded longnitude acoustic phonons driving self-trapped state emission in colloidal CdSe nanoplate superlattice
Xinyu Sui, Xiaoqing Gao, Xianxin Wu +11
Colloidal cadmium chalcogenide nanoplates are two-dimensional semiconductors that have shown great application prospect for light-emitting technologies. Self-trapped state (STS), a…
Surface -wave superconductivity for oxide-terminated infinite-layer nickelates
Xianxin Wu, Kun Jiang, Domenico Di Sante +4
We analyze the electronic structure of different surface terminations for infinite-layer nickelates. Surface NiO layers are found to be buckled, in contrast to planar bulk laye…
Superconductivity from buckled-honeycomb-vacancy ordering
Yanpeng Qi, Tianping Ying, Xianxin Wu +8
Vacancies are prevalent and versatile in solid-state physics and materials science. The role of vacancies in strongly correlated materials, however, remains uncultivated until now.…