Dynamical Spectral Weight Transfer in the Orbital HK Model
Strongly Correlated Electrons
2024-06-27 v1
Abstract
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.
Cite
@article{arxiv.2406.17846,
title = {Dynamical Spectral Weight Transfer in the Orbital HK Model},
author = {Gaurav Tenkila and Jinchao Zhao and Philip W. Phillips},
journal= {arXiv preprint arXiv:2406.17846},
year = {2024}
}