Abstract
The zero-temperature properties of a dilute two-component Fermi gas in the BCS to Bose-Einstein Condensation crossover are investigated. On the basis of a generalization of the Hylleraas-Undheim method, we construct rigorous upper bounds to the collective frequencies for the radial and the axial breathing mode of the Fermi gas under harmonic confinement in the framework of the hydrodynamic theory. The bounds are compared to experimental data for trapped vapors of Li-6 atoms.
Published in:
Physical Review A 72,1 (2005) 011603(R);
Link to original published article:
http://dx.doi.org/10.1103/PhysRevA.72.011603
Keywords
bose-einstein condensation;; many-body problem;; molecules
Date of Version
January 2005
Recommended Citation
Kim, Y. E. and Zubarev, A. L., "Collective excitations of strongly interacting Fermi gases of atoms in a harmonic trap" (2005). Department of Physics and Astronomy Faculty Publications. Paper 181.
https://docs.lib.purdue.edu/physics_articles/181