Trapped fermionic clouds distorted from the trap shape due to many-body effects

We present a general approach for describing trapped Fermi gases, when the cloud shape is distorted with respect to the trap shape. Our approach provides a consistent way to explore physics beyond the local density approximation, if this is necessary due to the distortion. We illustrate this by anal...

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Published in:Physical review letters 2007-06, Vol.98 (26), p.260406-260406, Article 260406
Main Authors: Haque, Masudul, Stoof, H T C
Format: Article
Language:English
Subjects:
APPROXIMATIONS
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
FERMI GAS
FERMIONS
MANY-BODY PROBLEM
TRAPPING
TRAPS
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description We present a general approach for describing trapped Fermi gases, when the cloud shape is distorted with respect to the trap shape. Our approach provides a consistent way to explore physics beyond the local density approximation, if this is necessary due to the distortion. We illustrate this by analyzing in detail experimentally observed distortions in a trapped imbalanced Fermi mixture. In particular, we demonstrate in that case dramatic deviations from ellipsoidal cloud shapes arising from the competition between surface and bulk energies.
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ispartof Physical review letters, 2007-06, Vol.98 (26), p.260406-260406, Article 260406
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1079-7114
language eng
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source American Physical Society:Jisc Collections:APS Read and Publish 2023-2025 (reading list)
subjects APPROXIMATIONS
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
FERMI GAS
FERMIONS
MANY-BODY PROBLEM
TRAPPING
TRAPS
title Trapped fermionic clouds distorted from the trap shape due to many-body effects
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