Gitgeatpong, G. ., Zhao, Y. ., Piyawongwatthana, P. ., Qiu, Y. ., Harriger, L. ., Butch, N. ., … Matan, K. . (2017). Nonreciprocal Magnons and Symmetry-Breaking in the Noncentrosymmetric Antiferromagnet. Physical Review Letters, 119(4), 047201. https://doi.org/10.1103/PhysRevLett.119.047201 (Original work published 2017)