Zero Temperature Thermodynamics of Asymmetric Fermi Gases at Unitarity

Details Zero Temperature Thermodynamics of Asymmetric Fermi Gases at Unitarity Zero Temperature Thermodynamics of Asymmetric Fermi Gases at Unitarity

2006-06-02

arxiv.org/abs/cond-mat/0606043v3

Phys.Rev.A75:031605,2007

Physics

Condensed Matter

Superconductivity

10 pages and 7 figures. (Minor changes to correspond with published version.)

Scientific paper

10.1103/PhysRevA.75.031605

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 non-trivial 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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