Photoassociation spectroscopy of ultracold metastable ^3He dimers
Whittingham, Ian, Cocks, Daniel, and Peach, Gillian (2011) Photoassociation spectroscopy of ultracold metastable ^3He dimers. Physical Chemistry Chemical Physics, 13. pp. 18724-18733.
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Abstract
The bound states of the fermionic ^3He(2 ^3S_1)+ ^3He(2 ^3P_j)system, where j=0,1,2, are investigated using the recently available ab initio short-range ^{1,3,5}\Sigma^{+}_{g,u} and ^{1,3,5}\Pi_{g,u} potentials computed by Deguilhem et al. (J. Phys. B: At. Mol. Opt. Phys., 2009, 42, 015102). Single-channel and multichannel calculations have been undertaken in order to investigate the effects of Coriolis and non-adiabatic couplings. The possible experimental observability of the theoretical levels is assessed using criteria based upon the short-range character of each level and their coupling to metastable ground states. Purely long-range levels have been identified and 30 short-range levels near five asymptotes are suggested for experimental investigation.
| Item ID: | 19231 |
|---|---|
| Item Type: | Article (Research - C1) |
| ISSN: | 1463-9084 |
| Keywords: | ultracold atoms, photoassociation, fermionic metastable helium |
| Additional Information: | Themed issue on Physics and Chemistry of Cold Molecules |
| Date Deposited: | 05 Dec 2011 06:15 |
| FoR Codes: | 02 PHYSICAL SCIENCES > 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics > 020201 Atomic and Molecular Physics @ 100% |
| SEO Codes: | 97 EXPANDING KNOWLEDGE > 970102 Expanding Knowledge in the Physical Sciences @ 80% 97 EXPANDING KNOWLEDGE > 970103 Expanding Knowledge in the Chemical Sciences @ 20% |
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