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. 2013 Mar 27;110(15):5774–5778. doi: 10.1073/pnas.1218846110

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Fig. 4. — Optical self-energy as a function of frequency and temperature. (A) Real and (B) imaginary part of the memory function as a function of ℏω for underdoped Hg1201 . Spectra are shown in 10-K intervals for temperatures from 10 to 390 K. Thick lines are used to highlight the 10-, 70-, 280-, and 390-K data. (C) Effective mass as a function of temperature for selected values of ℏω in 10-meV intervals from 10 to 60 meV. (D) Relaxation rate as a function of temperature for selected values of ℏω in 10-meV intervals from 10 to 150 meV. Thick lines are used to highlight the data at selected energies. In C the approximate temperatures of the maxima T(max) are indicated with an arrow for ω with the corresponding color. (E) shows the same T(max) versus ω. The solid line is a linear fit, which extrapolates to for . All data in the superconducting state are in gray. The temperature range (370 K) of C and D is chosen to match the frequency range of A and B (200 meV) according to the scaling relation .

Inline graphic — Optical self-energy as a function of frequency and temperature. (A) Real and (B) imaginary part of the memory function as a function of ℏω for underdoped Hg1201 . Spectra are shown in 10-K intervals for temperatures from 10 to 390 K. Thick lines are used to highlight the 10-, 70-, 280-, and 390-K data. (C) Effective mass as a function of temperature for selected values of ℏω in 10-meV intervals from 10 to 60 meV. (D) Relaxation rate as a function of temperature for selected values of ℏω in 10-meV intervals from 10 to 150 meV. Thick lines are used to highlight the data at selected energies. In C the approximate temperatures of the maxima T(max) are indicated with an arrow for ω with the corresponding color. (E) shows the same T(max) versus ω. The solid line is a linear fit, which extrapolates to for . All data in the superconducting state are in gray. The temperature range (370 K) of C and D is chosen to match the frequency range of A and B (200 meV) according to the scaling relation .