Kohler, T;
Tiesinga, E;
JulienneP, S;
(2005)
Spontaneous dissociation of long-range Feshbach molecules.
Physical Review Letters
, 94
(2)
, Article 020402. 10.1103/PhysRevLett.94.020402.
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Abstract
We study the spontaneous dissociation of diatomic molecules produced in cold atomic gases via magnetically tunable Feshbach resonances. We provide a universal formula for the lifetime of these molecules that relates their decay to the scattering length and the loss rate constant for inelastic spin relaxation. Our universal treatment as well as our exact coupled channels calculations for 85Rb dimers predict a suppression of the decay over several orders of magnitude when the scattering length is increased. Our predictions are in good agreement with recent measurements of the lifetime of 85Rb2.
| Type: | Article |
|---|---|
| Title: | Spontaneous dissociation of long-range Feshbach molecules |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1103/PhysRevLett.94.020402 |
| Publisher version: | http://dx.doi.org/10.1103/PhysRevLett.94.020402 |
| Language: | English |
| Additional information: | © 2005 The American Physical Society |
| Keywords: | Spontaneous, dissociation, long-range, Feshbach, molecules |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences |
| URI: | https://discovery.ucl.ac.uk/id/eprint/9668 |
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