Numerical calculation of Green's function and momentum distribution for spin-polarized fermions by path integral molecular dynamics
Quantum Gases
2022-05-30 v1 Statistical Mechanics
Chemical Physics
Computational Physics
Quantum Physics
Abstract
Most recently, path integral molecular dynamics (PIMD) has been successfully applied to perform simulations of identical bosons and fermions by B. Hirshberg et al.. In this work, we demonstrate that PIMD can be developed to calculate Green's function and extract momentum distribution for spin-polarized fermions. In particular, we show that the momentum distribution calculated by PIMD has potential application to numerous quantum systems, such as cold atom simulation of Mott insulator in Fermi-Hubbard model.
Keywords
Cite
@article{arxiv.2204.02401,
title = {Numerical calculation of Green's function and momentum distribution for spin-polarized fermions by path integral molecular dynamics},
author = {Xiong Yunu and Xiong Hongwei},
journal= {arXiv preprint arXiv:2204.02401},
year = {2022}
}
Comments
19 pages, 7 figures