期刊
PHYSICAL REVIEW LETTERS
卷 105, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.105.013201
关键词
-
资金
- NSF through ITAMP at Harvard University
- Smithsonian Astrophysical Observatory
- Australian Research Council
- U.S. DOE [DE-AC52-06NA25396]
We use universality in two-body dipolar physics to study three-body recombination. We present results for the universal structure of weakly bound two-dipole states that depend only on the s-wave scattering length ( a). We study threshold three-body recombination rates into weakly bound dimer states as a function of the scattering length. A Fermi golden rule analysis is used to estimate rates for different events mediated by the dipole-dipole interaction and a phenomenological contact interaction. The three-body recombination rate in the limit where a >> D contains terms which scale as a(4), a(2)D(2), and D-4, where D is the dipolar length. When a << D, the three-body recombination rate scales as D-4.
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