Phase Diagram and Spectroscopic Signatures of a Supersolid in Quantum Ising Magnet K${}_2$Co(SeO${}_3$)${}_2$

Tong Chen, Alireza Ghasemi, Junyi Zhang +17

A supersolid is a quantum-entangled state of matter exhibiting the dual characteristics of superfluidity and solidity. Theory predicts that hard-core bosons with repulsive interact…