Electronic nature of chiral charge order in the kagome superconductor <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>Cs</mml:mi><mml:msub><mml:mi mathvariant="normal">V</mml:mi><mml:mn>3</mml:mn></mml:msub><mml:msub><mml:mi>Sb</mml:mi><mml:mn>5</mml:mn></mml:msub></mml:mrow></mml:math>
Zhiwei Wang, Yu-Xiao Jiang, Jia‐Xin Yin, Yongkai Li, Guanyong Wang, Haili Huang, Sen Shao, Jinjin Liu, Peng Zhu, Nana Shumiya, Md Shafayat Hossain, Hongxiong Liu, Youguo Shi, Junxi Duan, Xiang Li, Guoqing Chang, Pengcheng Dai, Zijin Ye, Gang Xu, Yanchao Wang, Hao Zheng, Jinfeng Jia, M. Zahid Hasan, Yugui Yao
Abstract
CsV${}_{3}$Sb${}_{5}$ has been recently discovered to be a kagome superconductor. Here, the authors use scanning tunneling microscopy to study its charge order and superconductivity at the atomic scale. Through mapping the energy gap of the charge order, the authors identify its chiral electronic nature. They also elucidate the surface nature of the 1$\ifmmode\times\else\texttimes\fi{}$4 superlattice and superconducting excitations.
Topics & Concepts
SuperconductivityCharge (physics)Order (exchange)Scanning tunneling microscopeSuperlatticePhysicsCondensed matter physicsQuantum tunnellingQuantum mechanicsEconomicsFinanceTopological Materials and PhenomenaAdvanced Condensed Matter PhysicsRare-earth and actinide compounds