Enhanced Dimer Relaxation in an Atomic/Molecular BEC
Other Condensed Matter
2009-11-10 v2 High Energy Physics - Phenomenology
Nuclear Theory
Abstract
We derive a universal formula for the rate constant \beta for relaxation of a shallow dimer into deeply-bound diatomic molecules in the case of atoms with a large scattering length a. We show that \beta is determined by a and by two 3-body parameters that also determine the binding energies and widths of Efimov states. The rate constant \beta scales like \hbar a/m near the resonance, but the coefficient is a periodic function of ln(a) that may have resonant enhancement at values of a that differ by multiples of 22.7.
Keywords
Cite
@article{arxiv.cond-mat/0303249,
title = {Enhanced Dimer Relaxation in an Atomic/Molecular BEC},
author = {Eric Braaten and H. -W. Hammer},
journal= {arXiv preprint arXiv:cond-mat/0303249},
year = {2009}
}
Comments
5 pages, revtex4, 2 PS figures, title changed, final version