Comparison between a diagrammatic theory for the BCS-BEC crossover and Quantum Monte Carlo results
arXiv:cond-mat/0410578 · doi:10.1103/PhysRevB.72.012506
Abstract
Predictions for the chemical potential and the excitation gap recently obtained by our diagrammatic theory for the BCS-BEC crossover in the superfluid phase are compared with novel Quantum Monte Carlo results at zero temperature now available in the literature. A remarkable agreement is found between the results obtained by the two approaches
3 pages, 2 figures
References in corpus (5)
- Crossover from a molecular Bose-Einstein condensate to a degenerate Fermi gas
- Weakly bound dimers of fermionic atoms
- Collective excitations of a degenerate gas at the BEC-BCS crossover
- BCS-BEC crossover at finite temperature in the broken-symmetry phase
- Broad versus narrow Fano-Feshbach resonances in the BCS-BEC crossover with trapped Fermi atom