Response to Comment on "X-ray Absorption Reveals Collapse of Single-Band Hubbard Physics in Overdoped Cuprates"
D. C. Peets (1), D. G. Hawthorn (2), K. M. Shen (3), G. A. Sawatzky (4, and 5), Ruixing Liang (4, 5), D. A. Bonn (4, 5), and W. N. Hardy (4 and, 5) ((1) Dept of Physics, Kyoto University, (2) Dept of Physics & Astronomy,, University of Waterloo, (3) Dept of Physics
TL;DR
This paper clarifies that the observed spectral weight saturation in cuprates is due to analysis artifacts, challenging previous interpretations within the single-band Hubbard model.
Contribution
It demonstrates that the saturation observed in X-ray absorption spectra is an artifact of integration limits, not an intrinsic property of the single-band Hubbard model.
Findings
The spectral weight saturation is an artifact of integration limits.
Previous interpretations of Hubbard model physics in overdoped cuprates are challenged.
Proper analysis removes the need to invoke collapse of single-band Hubbard physics.
Abstract
A recent article suggested that the saturation of low energy spectral weight observed by X-ray absorption spectroscopy in the cuprates at high hole doping could be explained within the single-band Hubbard model. We show that this result is an artifact of inappropriate integration limits.
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Taxonomy
TopicsSuperconducting Materials and Applications · Inorganic Fluorides and Related Compounds · Physics of Superconductivity and Magnetism