Two-dimensional short-range interacting attractive and repulsive Fermi gases at zero temperature
arXiv:1303.3840 · doi:10.1140/epjst/e2013-01763-9
Abstract
We study a two-dimensional two-component Fermi gas with attractive or repulsive short-range interactions at zero temperature. We use Diffusion Monte Carlo with Fixed Node approximation in order to calculate the energy per particle and the opposite-spin pair distribution functions. We show the relevance of beyond mean field effects and verify the consistency of our approach by using Tan's Contact relations.
arXiv comment10 pages, 5 figures, published version. Sixth International Workshop "Theory of Quantum Gases and Quantum Coherence", Lyon (France)
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- Pseudopotential for the 2D contact interaction
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- Field-induced ferromagnetic phase transition in 2D Fermi systems with magnetic dipole-dipole interaction