Volume 87, Number 3, August 2009
|Number of page(s)||4|
|Section||Atomic, Molecular and Optical Physics|
|Published online||27 August 2009|
On the kinetic energy of unitary Fermi gas in a harmonic trap
Department of Physics, Purdue University - West Lafayette, IN 47907, USA
2 University of Toronto at Scarborough - Toronto, ON, Canada M1C1A4
Accepted: 23 July 2009
We have considered the orbital-free approximation of the kinetic energy functional to investigate the zero-temperature properties of dilute harmonically trapped two-component Fermi gas at unitarity. It is shown that our approach provides a realible and inexpensive method to study superfluid strongly interacting dilute Fermi gases.
PACS: 31.15.E- – Density-functional theory / 71.15.Mb – Density functional theory, local density approximation, gradient and other corrections / 03.75.Ss – Degenerate Fermi gases
© EPLA, 2009
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