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. 2019 May 31;5(5):eaaw5558. doi: 10.1126/sciadv.aaw5558

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Copyright © 2019 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 4 — (A) Amplitude of coherently oscillating component of the differential THz reflectivity. (B) The fitted dephasing time of the coherent oscillations and (C) the incoherent differential reflectivity rise time using the model discussed in the text. Shaded regions indicate 95% confidence regimes in the fitting. The red line in (B) and (C) marks one LO phonon period 2π/ω_LO = 270 fs.