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Bibliographic Details
Main Authors:	Tenkila, Gaurav, Zhao, Jinchao, Phillips, Philip W.
Format:	Preprint
Published:	2024
Subjects:	Strongly Correlated Electrons
Online Access:	https://arxiv.org/abs/2406.17846
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Table of Contents:

We compute explicitly the low-energy spectral weight (LESW) in the lower Hubbard band using the orbital Hatsugai-Kohmoto (OHK) model. We show that the dynamical mixing enters the LESW with a universal slope independent of the number of orbitals. This independence on orbital number corroborates the rapid convergence of the OHK model to the Hubbard model. As a result, OHK is an effective simulator of Hubbard physics.