Spin-excitation continuum of Ce2Zr2O7 (IMAGE) Rice University Caption A 3D representation of the spin-excitation continuum -- a possible hallmark of a quantum spin liquid -- observed in 2019 in a single crystal sample of cerium zirconium pyrochlore. Credit Tong Chen/Rice University Usage Restrictions Must credit: Tong Chen/Rice University License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.