Applicability of the Boltzmann equation for a two-dimensional Fermi gas
Wu, Lei and Zhang, Yonghao (2012) Applicability of the Boltzmann equation for a two-dimensional Fermi gas. Physical Review A, 85 (4). 045601. ISSN 1094-1622
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We study the validity range of the semiclassical Boltzmann equation in describing the dynamics of two-dimensional Fermi gas. Here we numerically solve the Boltzmann equation based on the relaxation-time approximation. By comparing the numerically extracted damping of the quadrupole mode with the experimental data reported in Vogt et al. [Phys. Rev. Lett. 108, 070404 (2012)], we demonstrate that the Boltzmann equation is applicable at least when the temperature is larger than 0.47TF , up to the strong coupling regime, where TF is the Fermi temperature.
| Author(s): | Wu, Lei  ORCID: https://orcid.org/0000-0002-6435-5041 and Zhang, Yonghao ORCID: https://orcid.org/0000-0002-0683-7050 | Item type: | Article |
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| ID code: | 40374 |
| Keywords: | Boltzmann equation , fermi gas, Mechanical engineering and machinery, Mechanical Engineering |
| Subjects: | Technology > Mechanical engineering and machinery |
| Department: | Faculty of Engineering > Mechanical and Aerospace Engineering |
| Depositing user: | Pure Administrator |
| Date deposited: | 09 Jul 2012 11:00 |
| Last modified: | 20 Sep 2019 02:43 |
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| URI: | https://strathprints.strath.ac.uk/id/eprint/40374 |
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