Nonlinear transport fingerprints of tunable Fermi-arc connectivity in magnetic Weyl semimetal Co${}_3$Sn${}_2$S${}_2$

K. X. Jia, H. C. Li, M. H. Zou +2

Fermi arcs in Weyl semimetals provide a unique platform for surface-state engineering, yet di rectly tracking of their evolution under surface tuning remains experimentally challen…