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 1050-2947 (https://doi.org/10.1103/PhysRevA.85.045601)

Abstract

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.

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• Item metadata

  Item type:	Article
  ID code:	40374
  Dates:	Date Event 12 April 2012 Published
  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:	02 Jun 2024 07:22
  Related URLs:	Scopus publication Journal or Publication
  URI:	https://strathprints.strath.ac.uk/id/eprint/40374