Negligible Kitaev interaction in the van der Waals antiferromagnet NiBr2 revealed by neutron spectroscopyRemoveHao Xu, Shufan Cheng, Yanyan Shangguan, Song Bao, Junbo Liao, Bo Zhang, Zihang Song, Shuai Dong, Maofeng Wu, Shinichi Itoh, Daichi Ueta, and Jinsheng WenPhys. Rev. B 114, 264402 (2026)
