DOI:https://doi.org/10.1103/PhysRevLett.126.179601
Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.
Published by the American Physical Society
Mean-squared transverse displacement of the F atoms obtained from refinement of the crystal structure at . The triangles show the results of Rietveld refinement of neutron diffraction data measured on NPDF diffractometer at Los Alamos Neutron Science Center (down triangles) and NOMAD diffractometer at Spallation Neutron Source (up triangles) from Fig. 4(b) of Wendt et al. [3]. The circles and squares correspond to the x-ray data from Supplementary Material Fig. 1 of Greve et al. [2]. The (red) diamonds are the data of Wei et al. [1]. The solid line is theoretical prediction of Ref. [4]; the horizontal broken line shows the quantum limit for the Fluorine mean-squared transverse displacement due to zero-point motion at .
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