Superfluidity of trapped dipolar Fermi gases

被引:76
作者
Baranov, MA [1 ]
Dobrek, L [1 ]
Lewenstein, M [1 ]
机构
[1] Leibniz Univ Hannover, Inst Theoret Phys, D-30167 Hannover, Germany
基金
俄罗斯基础研究基金会;
关键词
D O I
10.1103/PhysRevLett.92.250403
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We derive the phase diagram for ultracold trapped dipolar Fermi gases. Below the critical value of the dipole-dipole interaction energy, the BCS transition into a superfluid phase ceases to exist. The critical dipole strength is obtained as a function of the trap aspect ratio. Alternatively, for a given dipole strength there is a critical value of the trap anisotropy for the BCS state to appear. The order parameter exhibits a novel nonmonotonic behavior at the criticality.
引用
收藏
页码:250403 / 1
页数:4
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