Nuclear quadrupole interaction and zero first-order Zeeman transitions of Er1673+ in CaWO4RemoveLewin Marsh, Yang Yikai, Cesare Mattiroli, Mikhael T. Sayat, Đàm Minh Trí, Henrik M. Rønnow, Jevon J. Longdell, and Jian-Rui SohPhys. Rev. B 113, 054417 (2026)
