Crossover in Broad Feshbach Resonance with Energy-Dependent Coupling
W. Yi, L.-M. Duan
TL;DR
This paper discusses the behavior of broad Feshbach resonances with energy-dependent coupling, but has been withdrawn due to recent experimental findings affecting the cutoff energy assumptions.
Contribution
It addresses the theoretical modeling of broad Feshbach resonances considering energy dependence, though the main results are withdrawn due to new experimental data.
Findings
Recent measurements suggest the cutoff energy remains large.
Theoretical assumptions about energy dependence are challenged.
The paper has been withdrawn, so no definitive findings are presented.
Abstract
This paper has been withdrawn by the authors as the recent measurement of the closed channel population for Li6 [Partridge et al., cond-mat/0505353] indicates that the cutoff energy is still much larger than any other relevant energy scales for this broad Feshbach resonance.
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Taxonomy
TopicsQuantum, superfluid, helium dynamics · Organic and Molecular Conductors Research · Atomic and Subatomic Physics Research