Author(s): Elyasaf Y. Cohen, Fakher F. Assaad, and Snir Gazit We carry out large-scale, sign-problem-free determinant quantum Monte Carlo simulations of the square lattice $\mathrm{SU}(N)$-symmetric two-channel Kondo lattice model at half-filling. We map out the zero-temperature phase diagram for $N=2$, 4, 6, and 8, as a function of the Kondo coupling strength… [Phys. Rev. Lett. 137, 036504] Published Fri Jul 17, 2026