Revisiting the machine-learning density functional for the one-dimensional Hubbard model with random external potential

Octavio D. R. Salmon, Minos A. Neto, J. Roberto Viana +1

We revisit the machine-learning (ML) approach to the universal density functional $F[\mathbf{n}]$ of the one-dimensional Hubbard model with a site-dependent random potential $\math…