Higgs amplitude mode in a two-dimensional quantum antiferromagnet near the quantum critical point
Tao Hong, D. M. Tennant(University of Tennessee at Knoxville), Mark M. Turnbull(Clark University), Firas F. Awwadi(University of Jordan), Bastian Klemke(Helmholtz-Zentrum Berlin für Materialien und Energie), T. Gentile(National Institute of Standards and Technology), Wangchun Chen(National Institute of Standards and Technology), Yiming Qiu(Ningbo University), Sachith Dissanayake(Duke University), Kai Phillip Schmidt(Friedrich-Alexander-Universität Erlangen-Nürnberg), M. Matsumoto(Shizuoka University), K. Coester(TU Dortmund University), Rasmus Toft-Petersen(Helmholtz-Zentrum Berlin für Materialien und Energie), Shannon Watson(National Institute of Standards and Technology), H. Agrawal(Oak Ridge National Laboratory)
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