Free Expansion of a Weakly-Interacting Dipolar Fermi Gas
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概要
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We theoretically investigate a polarized dipolar Fermi gas in free expansion. The inter-particle dipolar interaction deforms phase-space distribution in trap and also in the expansion. We exactly predict the minimal quadrupole deformation in the expansion for the high-temperature Maxwell–Boltzmann and zero-temperature Thomas–Fermi gases in the Hartree–Fock and Landau–Vlasov approaches. In conclusion, we provide a proper approach to develop the time-of-flight method for the weakly-interacting dipolar Fermi gas and also reveal a scaling law associated with the Liouville’s theorem in the long-time behaviors of the both gases.
- 2010-08-15
著者
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Maruyama Tomoyuki
College Of Bioresouce Sciences Nihon University
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Tomoyuki Maruyama
College of Bioresource Sciences, Nihon University, Fujisawa, Kanagawa 252-8510, Japan
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NISHIMURA Takushi
Division of Advanced Sciences, Ochadai Academic Production, Ochanomizu University, Bunkyo, Tokyo 112-8610, Japan
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Takushi Nishimura
Division of Advanced Sciences, Ochadai Academic Production, Ochanomizu University, Bunkyo, Tokyo 112-8610, Japan
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