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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). ISSN 1050-2947

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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.

Item type: Article
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
Technology and Innovation Centre > Advanced Engineering and Manufacturing
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Depositing user: Pure Administrator
Date Deposited: 09 Jul 2012 12:00
Last modified: 27 Mar 2014 10:16
URI: http://strathprints.strath.ac.uk/id/eprint/40374

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