Gapless spinon excitations emerging from a multipolar transverse field in the triangular-lattice Ising antiferromagnet NaTmSe2RemoveZheng Zhang, Jinlong Jiao, Weizhen Zhuo, Mingtai Xie, D. T. Adroja, Toni Shiroka, Guochu Deng, Anmin Zhang, Feng Jin, Jianting Ji, Jie Ma, and Qingming ZhangPhys. Rev. B 111, L180405 (2025)