Ultralow-temperature heat transport evidence for residual density of states in the superconducting state of CsV3Sb5

C. C. Zhao, L. S. Wang, W. Xia +17

The V-based kagome superconductors $A$V${}_3$Sb${}_5$ ($A$ = K, Rb, and Cs) host charge density wave (CDW) and a topological nontrivial band structure, thereby provide a great platform…