Chiral Unitary Quantum Phase Transition in 2H-Fe${}_x$TaSe${}_2$

Takuya Kanno, Takuya Matsumoto, Koichi Ichimura +2

We have observed a metal-insulator transition of a quasi-two dimensional electronic system in transition metal dichalcogenide $2H$-TaSe${}_2$ caused by doping iron. The sheet resista…