Formation of Van der Waals molecules in buffer-gas-cooled magnetic traps
Publication
, Journal Article
Brahms, N; Tscherbul, TV; Zhang, P; Kłos, J; Sadeghpour, HR; Dalgarno, A; Doyle, JM; Walker, TG
Published in: Physical Review Letters
July 16, 2010
We predict that a large class of helium-containing cold polar molecules form readily in a cryogenic buffer gas, achieving densities as high as 1012cm-3. We explore the spin relaxation of these molecules in buffer-gas-loaded magnetic traps and identify a loss mechanism based on Landau-Zener transitions arising from the anisotropic hyperfine interaction. Our results show that the recently observed strong T-6 thermal dependence of the spin-change rate of silver (Ag) trapped in dense He3 is accounted for by the formation and spin change of AgHe3 van der Waals molecules, thus providing indirect evidence for molecular formation in a buffer-gas trap. © 2010 The American Physical Society.
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Published In
Physical Review Letters
DOI
EISSN
1079-7114
ISSN
0031-9007
Publication Date
July 16, 2010
Volume
105
Issue
3
Related Subject Headings
- General Physics
- 51 Physical sciences
- 49 Mathematical sciences
- 40 Engineering
- 09 Engineering
- 02 Physical Sciences
- 01 Mathematical Sciences
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Brahms, N., Tscherbul, T. V., Zhang, P., Kłos, J., Sadeghpour, H. R., Dalgarno, A., … Walker, T. G. (2010). Formation of Van der Waals molecules in buffer-gas-cooled magnetic traps. Physical Review Letters, 105(3). https://doi.org/10.1103/PhysRevLett.105.033001
Brahms, N., T. V. Tscherbul, P. Zhang, J. Kłos, H. R. Sadeghpour, A. Dalgarno, J. M. Doyle, and T. G. Walker. “Formation of Van der Waals molecules in buffer-gas-cooled magnetic traps.” Physical Review Letters 105, no. 3 (July 16, 2010). https://doi.org/10.1103/PhysRevLett.105.033001.
Brahms N, Tscherbul TV, Zhang P, Kłos J, Sadeghpour HR, Dalgarno A, et al. Formation of Van der Waals molecules in buffer-gas-cooled magnetic traps. Physical Review Letters. 2010 Jul 16;105(3).
Brahms, N., et al. “Formation of Van der Waals molecules in buffer-gas-cooled magnetic traps.” Physical Review Letters, vol. 105, no. 3, July 2010. Scopus, doi:10.1103/PhysRevLett.105.033001.
Brahms N, Tscherbul TV, Zhang P, Kłos J, Sadeghpour HR, Dalgarno A, Doyle JM, Walker TG. Formation of Van der Waals molecules in buffer-gas-cooled magnetic traps. Physical Review Letters. 2010 Jul 16;105(3).
Published In
Physical Review Letters
DOI
EISSN
1079-7114
ISSN
0031-9007
Publication Date
July 16, 2010
Volume
105
Issue
3
Related Subject Headings
- General Physics
- 51 Physical sciences
- 49 Mathematical sciences
- 40 Engineering
- 09 Engineering
- 02 Physical Sciences
- 01 Mathematical Sciences