Zero-temperature thermodynamics of asymmetric Fermi gases at unitarity

被引：70
|
作者：
Bulgac, Aurel [1 ]
Forbes, Michael McNeil [1 ]
机构：
[1] Univ Washington, Dept Phys, Seattle, WA 98195 USA
来源：
PHYSICAL REVIEW A | 2007年 / 75卷 / 03期
关键词：
D O I：
10.1103/PhysRevA.75.031605
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The equation of state of a dilute two-component asymmetric Fermi gas at unitarity is subject to strong constraints, which affect the spatial density profiles in atomic traps. These constraints require the existence of at least one nontrivial partially polarized (asymmetric) phase. We determine the relation between the structure of the spatial density profiles and the T=0 equation of state, based on the most accurate theoretical predictions available. We also show how the equation of state can be determined from experimental observations.
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