Excitation spectrum and low-temperature magnetism in the disordered defect-fluorite Ho2Zr2O7RemoveP. L. Oliveira Silva, J. G. A. Ramon, Viviane Peçanha-Antonio, Tatiana Guidi, J. S. Gardner, Chun Sheng Fang, and R. S. FreitasPhys. Rev. B 113, 214423 (2026)