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Imχ(3)(−ω; 0, 0, ω) spectra and their analyses in undoped cuprates

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Presentation on theme: "Imχ(3)(−ω; 0, 0, ω) spectra and their analyses in undoped cuprates"— Presentation transcript:

1 Fig. 4 Imχ(3)(−ω; 0, 0, ω) spectra and their analyses in undoped cuprates.
Imχ(3)(−ω; 0, 0, ω) spectra and their analyses in undoped cuprates. (A) Nd2CuO4, (B) Sr2CuO2Cl2, (C) La2CuO4. ε2, and Imχ(3)(−ω; 0, 0, ω) spectra are shown by the thick solid lines at the top and bottom of each figure, respectively. The red dashed line at the top of each figure shows the fitting curve of the Lorentzian function. The red-colored and green-colored areas correspond to the optical transition to the odd-parity exciton and that to the doublon-holon continuum, respectively. The red dashed line at the bottom of each figure shows the fitting curve based on the three-level model (see main text). The vertical dotted lines show the energy positions of the odd-parity exciton (ℏω1) and the even-parity exciton (ℏω2). The insets show the structures of CuO units forming the 2D CuO planes. T. Terashige et al. Sci Adv 2019;5:eaav2187 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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