Collective oscillations of a two-component Fermi gas on the repulsive branch
Quantum Gases
2020-04-22 v3
Abstract
We calculate frequencies of collective oscillations of two-component Fermi gas that is kept on the repulsive branch of its energy spectrum. Not only is a paramagnetic phase explored, but also a ferromagnetically separated one. Both in-, and out-of-phase perturbations are investigated, showing contributions from various gas excitations. Additionally, we compare results coming from both time-dependent Hartree-Fock and density-functional approaches.
Keywords
Cite
@article{arxiv.1908.07771,
title = {Collective oscillations of a two-component Fermi gas on the repulsive branch},
author = {Tomasz Karpiuk and Piotr T. Grochowski and Mirosław Brewczyk and Kazimierz Rzążewski},
journal= {arXiv preprint arXiv:1908.07771},
year = {2020}
}
Comments
16 pages, 4 figures, Resubmission to SciPost