Cold Bose Gases near Feshbach Resonances
arXiv:cond-mat/0212196 · doi:10.1016/S0375-9601(03)00618-2
Abstract
The lowest order constrained variational method [Phys. Rev. Lett. {\bf 88}, 210403 (2002)] has been generalized for a dilute (in the sense that the range of interatomic potential is small compared with inter-particle spacing) uniform gas of bosons near the Feshbach resonance using the multi-channel zero-range potential model. The method has been applied to Na (F=1, m_F=1) atoms near the 907G Feshbach resonance. It is shown that at high densities there are significant differences between our results for the real part of energy per particle and the one-channel zero-range potential approximation. We point out the possibility of stabilization of the uniform condensate for the case of negative scattering length.
arXiv comment17 pages, 3 figures
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Cited by in corpus (5)
- Time-Dependent Density-Functional Theory for Trapped Strongly-Interacting Fermionic Atoms
- Feshbach resonance scattering under cylindrical harmonic confinement
- Dynamics of Strongly Interacting Fermi Gases of Atoms in a Harmonic Trap
- Three-Body Losses in Trapped Bose-Einstein Condensed Gases
- Control of Ultra-cold Inelastic Collisions by Feshbash Resonances and Quasi-One-Dimensional Confinement