Field-induced quasi-bound state within the two-magnon continuum of a square-lattice Heisenberg antiferromagnet

F. Elson, M. Nayak, A. A. Eberharter +14

Quantum magnets in two dimensions display strong quantum interaction effects even when magnetically ordered. Using the metal-organic framework material CuF${}_2$(D${}_2$O)${}_2$(pyz), we…