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Density wave instability in a 2D dipolar Fermi gas | | Yasuhiro Yamaguchi
; Takaaki Sogo
; Toru Ito
; Takahiko Miyakawa
; | | Date: |
10 Mar 2010 | | Abstract: | We consider a uniform dipolar Fermi gas in two-dimensions (2D) where the
dipole moments of fermions are aligned by an orientable external field. We
obtain the ground state of the gas in Hartree-Fock approximation and
investigate RPA stability against density fluctuations of finite momentum. It
is shown that the density wave instability takes place in a broad region where
the system is stable against collapse. We also find that the critical
temperature can be a significant fraction of Fermi temperature for a realistic
system of polar molecules. | | Source: | arXiv, 1003.2029 | | Services: | Forum | Review | PDF | Favorites | |
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