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. 2021 May 24;12:3048. doi: 10.1038/s41467-021-23381-9

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© The Author(s) 2021

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Fig. 4 — a, b are power-law fitting of $χ_{E_{2g}}^{^{″}} (ω) \propto ω^{α}$ at low and high temperatures, respectively. c Temperature-dependent exponent α for the power-law fitting.