NMR evidence of spin supersolid and Pomeranchuk effect behaviors in the triangular-lattice antiferromagnet Rb${}_2$Ni${}_2$(SeO${}_3$)${}_3$

Ying Chen, Zhanlong Wu, Xuejuan Gui +15

We performed ${}^{85}$Rb nuclear magnetic resonance (NMR) measurements on the $S$ = 1 bilayer triangular-lattice antiferromagnet Rb${}_2$Ni${}_2$(SeO${}_3$)${}_3$ in magnetic fields up to 26…