Through a Lattice Darkly: Shedding Light on Electron-Phonon Coupling in the High Tc Cuprates

Figure 10

Isotope effect on EDC widths determined from ARPES data taken at the slices indicated in the smaller panel (same as Figure 8) within the superconducting phase. The width change for each cut comes from an average over binding energies below and above the kink energy: low (70 meV to 0) and high (250 meV to 70 meV) energies. These widths are plotted with respect to the isotope averaged superconducting gap, , of each cut, showing little change at low energies but significant change above the kink energy. The figure is from [42].

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