Magnetic permeability and zone-folded phonons in layered NiPS${}_3$

André A. A. Silva, Eduardo D. Stefanato, Nicolas M. Kawahala +8

Nickel phosphorus trisulfide (NiPS${}_3$) stands out as a Mott insulator exhibiting XY-type antiferromagnetic order. In this work, we investigate the electrodynamic response of singl…