Thermodynamics of a Modified Fermi-Hubbard Model
Quantum Gases
2024-09-18 v1 Mesoscale and Nanoscale Physics
Quantum Physics
Abstract
A recently introduced recurrence-relation ansatz applied to the Fermi-Hubbard model gives rise to a soluble model and here is used to calculate several thermodynamic observables. The constraint of unit density per site, density = 1, is applied and some of the results are compared to cases where the constraint is not imposed. The modified model exhibits a continuous phase transition (second order) reminiscent of the integer quantum Hall resistance and a ground state, first-order phase transition.
Keywords
Cite
@article{arxiv.2409.11180,
title = {Thermodynamics of a Modified Fermi-Hubbard Model},
author = {Moorad Alexanian},
journal= {arXiv preprint arXiv:2409.11180},
year = {2024}
}