Nonmagnetic Ground State of Rutile RuO${}_2$ from Diffusion Quantum Monte Carlo

Jeonghwan Ahn, Seoung-Hun Kang, Panchapakesan Ganesh +1

Rutile RuO${}_2$ has been proposed as an altermagnet, but its bulk magnetic ground state is still under debate because density-functional calculations give conflicting predictions. U…