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Title: Zero-temperature thermodynamics of asymmetric Fermi gases at unitarity

Abstract

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.

Authors:
;  [1]
  1. Department of Physics, University of Washington, Seattle, Washington 98195-1560 (United States)
Publication Date:
OSTI Identifier:
20982227
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physical Review. A; Journal Volume: 75; Journal Issue: 3; Other Information: DOI: 10.1103/PhysRevA.75.031605; (c) 2007 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; ASYMMETRY; DENSITY; EQUATIONS OF STATE; FERMI GAS; FERMIONS; FORECASTING; TEMPERATURE RANGE 0000-0013 K; THERMODYNAMICS; TRAPS; UNITARITY

Citation Formats

Bulgac, Aurel, and Forbes, Michael McNeil. Zero-temperature thermodynamics of asymmetric Fermi gases at unitarity. United States: N. p., 2007. Web. doi:10.1103/PHYSREVA.75.031605.
Bulgac, Aurel, & Forbes, Michael McNeil. Zero-temperature thermodynamics of asymmetric Fermi gases at unitarity. United States. doi:10.1103/PHYSREVA.75.031605.
Bulgac, Aurel, and Forbes, Michael McNeil. Thu . "Zero-temperature thermodynamics of asymmetric Fermi gases at unitarity". United States. doi:10.1103/PHYSREVA.75.031605.
@article{osti_20982227,
title = {Zero-temperature thermodynamics of asymmetric Fermi gases at unitarity},
author = {Bulgac, Aurel and Forbes, Michael McNeil},
abstractNote = {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.},
doi = {10.1103/PHYSREVA.75.031605},
journal = {Physical Review. A},
number = 3,
volume = 75,
place = {United States},
year = {Thu Mar 15 00:00:00 EDT 2007},
month = {Thu Mar 15 00:00:00 EDT 2007}
}