Physics – Condensed Matter – Other Condensed Matter
Scientific paper
2007-10-27
Physics
Condensed Matter
Other Condensed Matter
5 pages, 5 figures
Scientific paper
10.1103/PhysRevA.77.061603
We consider a system of quantum degenerate spin polarized fermions in a harmonic trap at zero temperature, interacting via dipole-dipole forces. We introduce a variational Wigner function to describe the deformation and compression of the Fermi gas in phase space and use it to examine the stability of the system. We emphasize the important roles played by the Fock exchange term of the dipolar interaction which results in a non-spherical Fermi surface.
Miyakawa Takahiko
Pu Han
Sogo Takaaki
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