106 citations · 650 across the 23 of their papers we have counts for
24 papers
Coupled Spin-Density-Wave and Bond-Order Driven Metal-Insulator Transition in Altermagnetic CsCrSO
Chenchao Xu, Wansheng Bai, Guo-Xiang Zhi +4
A metal-insulator transition (MIT) driven by bond order (BO) coupled with a secondary spin-density wave (SDW) is identified in CsCrSO. Such coupling is enabled as a result…
Antiferromagnetic Dimers in the Parent Phase of a Correlated Kagome Superconductor
Yifan Wang, Chenchao Xu, Yi Liu +18
Kagome metals are prone to charge-density wave (CDW), magnetic, and superconducting phases, with their flat electronic band conducive for correlated physics. In contrast to the wea…
Controlling an altermagnetic spin density wave in the kagome magnet CsCr3Sb5
Zihao Huang, Chenchao Xu, Yande Que +8
The interplay of charge and spin orders lies at the heart of correlated electron physics and plays a critical role in the emergence of unconventional quantum phases. Kagome magnets…
Soft Phonon Charge-Density Wave Formation in the Kagome Metal KVSb
Yifan Wang, Chenchao Xu, Zhimian Wu +11
A range of of unusual emergent behaviors have been reported in the charge-density wave (CDW) state of the VSb (K, Rb, Cs) kagome metals, including a CDW formation p…
Anomalous Nernst Effect and Its Implications for Time-Reversal Symmetry Breaking in Kagome Metal ScV6Sn6
Yazhou Li, Saizheng Cao, Jiaxing Liao +10
The nonmagnetic kagome metal ScV6Sn6 displays an unconventional charge order (CO) accompanied by signatures of an anomalous Hall effect, hidden magnetism, and multiple lattice inst…
Anisotropic transport properties and topological Hall effect in the annealed kagome antiferromagnet FeGe
Jiajun Ma, Chenfei Shi, Yantao Cao +11
Electron correlation often gives birth to various orders in quantum materials. Recently, a strongly correlated kagome antiferromagnet FeGe is discovered to undergo a charge density…
Flat-Band Enhanced Antiferromagnetic Fluctuations and Superconductivity in Pressurized CsCrSb
Siqi Wu, Chenchao Xu, Xiaoqun Wang +3
The spin dynamics and electronic orders of the kagome system at different filling levels stand as an intriguing subject in condensed matter physics. By first-principles calculation…
Altermagnetic Ground State in Distorted Kagome Metal CsCrSb
Chenchao Xu, Siqi Wu, Guo-Xiang Zhi +5
The CsCrSb exhibits superconductivity in close proximity to a density-wave (DW) like ground state at ambient pressure\cite{Liu:2024aa}, however details of the DW is still e…
Superconductivity emerging from density-wave-like order in a correlated kagome metal
Yi Liu, Zi-Yi Liu, Jin-Ke Bao +22
Unconventional superconductivity (USC) in a highly correlated kagome system has been theoretically proposed for years, yet the experimental realization is hard to achieve. The rece…
Competing charge-density wave instabilities in the kagome metal ScVSn
Saizheng Cao, Chenchao Xu, Hiroshi Fukui +5
Owing to its unique geometry, the kagome lattice hosts various many-body quantum states including frustrated magnetism, superconductivity, and charge-density waves (CDWs), with int…
Pressure-induced nontrivial band topology and superconductivity in transition metal chalcogenide
Haiyang Yang, Yonghui Zhou, Shuyang Wang +5
The unique electronic and crystal structures driven by external pressure in transition metal chalcogenides (TMCs) can host emergent quantum states. Here we report pressure-induced…
Electronic structure and open-orbit Fermi surface topology in isostructural semimetals NbAs and WAs with extremely large magnetoresistance
Rui Lou, Yiyan Wang, Lingxiao Zhao +11
In transition-metal dipnictides ( = Ta, Nb; = P, As, Sb), the origin of extremely large magnetoresistance (XMR) is yet to be studied by the direct visualization o…
Pressure-induced concomitant topological and metal-insulator quantum phase transitions in CePdBi
Chenchao Xu, Chao Cao, Jian-Xin Zhu
The electronic property and magnetic susceptibility of CePdBi were systemically investigated from 18 K to 290 K for varying values of cell-volume using dynamic mean-fie…
WannSymm: A symmetry analysis code for Wannier orbitals
Guo-Xiang Zhi, Chenchao Xu, Si-Qi Wu +2
We derived explicit expressions of symmetry operators on Wannier basis, and implemented these operators in WannSymm software. Based on this implementation, WannSymm can i) symmetri…
Coexistence of superconductivity and antiferromagentic order in ErOBi with anti-ThCrSi structure
Lei Qiao, Ning-hua Wu, Tianhao Li +11
We investigated the coexistence of superconductivity and antiferromagnetic order in the compound ErOBi with anti-ThCrSi-type structure through resistivity,…
Anisotropic superconductivity in topological crystalline metal PbTaS with multiple Dirac fermions
Xiaohui Yang, Tonghua Yu, Chenchao Xu +10
Topological crystalline metals/semimetals (TCMs) have stimulated a great research interest, which broaden the classification of topological phases and provide a valuable platform t…
Enhanced anisotropic superconductivity in the topological nodal-line semimetal InxTaS2
Yupeng Li, Zhongxiu Wu, Jingang Zhou +10
Coexistence of topological bands and charge density wave (CDW) in topological materials has attracted immense attentions because of their fantastic properties, such as axionic-CDW,…
Doping dependence of electronic structure of infinite-layer NdNiO2
Zhao Liu, Chenchao Xu, Chao Cao +3
We investigate the electronic structure of nickelate superconductor NdNiO2 upon hole doping, by means of density-functional theory and dynamical mean-field theory. We demonstrate t…
Anisotropic gapping of topological Weyl rings in the charge-density-wave superconductor InxTaSe2
Yupeng Li, Yi Wu, Chenchao Xu +19
Topological materials and topological phases have recently become a hot topic in condensed matter physics. In this work, we report a topological nodal-line semimetal InxTaSe2, in t…
Coexistence of nontrivial topological properties and strong ferromagnetic fluctuations in CrAs (=Na, K, Rb and Cs)
Chenchao Xu, Ninghua Wu, Guo-Xiang Zhi +5
Superconductivity in crystals without inversion symmetry has received extensive attention due to its unconventional pairing and possible nontrivial topological properties. Using fi…
Electronic structure of Ni-doped EuRbFeAs: Unique crystal field splitting and multiband RKKY interactions
Chenchao Xu, Qijin Chen, Chao Cao
The relationship between magnetism and superconductivity has been one of the most discussed topics in iron-based superconductors. Using the first-principles calculations, we have s…
Quantum transport in a compensated semimetal W2As3 with nontrivial Z2 indices
Yupeng Li, Chenchao Xu, Mingsong Shen +6
We report a topological semimetal W2As3 with a space group C2/m. Based on the first-principles calculations, band crossings are partially gapped when spin-orbit coupling is include…
Optical Signatures of Dirac Nodal-lines in NbAs
Yinming Shao, Zhiyuan Sun, Ying Wang +10
Using polarized optical and magneto-optical spectroscopy, we have demonstrated universal aspects of electrodynamics associated with Dirac nodal-lines. We investigated anisotropic e…
Electronic structures of transition metal dipnictides (=Ta, Nb; =P, As, Sb)
Chenchao Xu, Jia Chen, Guo-Xiang Zhi +3
The electronic structures and topological properties of transition metal dipnictides (=Ta, Nb; =P, As, Sb) have been systematically studied using first-principles ca…