Long-range hoppings beyond the conventional three parameters are necessary in the Emery model for a quantitatively correct superconducting phase diagram and proper d-wave order parameter, as shown with dynamical vertex approximation.
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Hubbard and Emery models produce similar physics for cuprates but differ quantitatively in spectra, transport, and doping-dependent features, with good experimental agreement when using stronger coupling in the Hubbard model.
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Beyond the conventional Emery model: crucial role of long-range hopping for cuprate superconductivity
Long-range hoppings beyond the conventional three parameters are necessary in the Emery model for a quantitatively correct superconducting phase diagram and proper d-wave order parameter, as shown with dynamical vertex approximation.
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Hubbard vs. Emery model: spectra, transport and relevance for cuprates
Hubbard and Emery models produce similar physics for cuprates but differ quantitatively in spectra, transport, and doping-dependent features, with good experimental agreement when using stronger coupling in the Hubbard model.