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Resonant Magnetic Field Control of Elastic Scattering in ColdR85b
Abstract
A magnetic field-dependent Feshbach resonance has been observed in the elastic scattering collision rate between atoms in the $F\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}2,M\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}\ensuremath{-}2$ state of ${}^{85}\mathrm{Rb}$. Changing the magnetic field by several Gauss caused the collision rate to vary by a factor of 1${0}^{4}$, and the sign of the scattering length could be reversed. The resonance peak is at 155.2(4) G and its width is 11.6(5) G. From these results we extract much improved values for the three quantities that characterize the interaction potential: The van der Waals coefficient ${C}_{6}$, the singlet scattering length ${a}_{S}$, and the triplet scattering length ${a}_{T}$.
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Citations
Cited by
Universality in few-body systems with large scattering length
Braaten, E., & Hammer, H.-W. (2006) · Physics Reports · doi:10.1016/j.physrep.2006.03.001 · Cited by 1,313
Cornell, E. A., & Wieman, C. E. (2002) · Reviews of Modern Physics · doi:10.1103/revmodphys.74.875 · Cited by 837
Self-citationDynamics of collapsing and exploding Bose–Einstein condensates
Donley, E. A., Claussen, N. R., Cornish, S. L., Roberts, J. L., Cornell, E. A., & Wieman, C. E. (2001) · Nature · doi:10.1038/35085500 · Cited by 819
Self-citationTuning the Scattering Length with an Optically Induced Feshbach Resonance
Theis, M., Thalhammer, G., Winkler, K., Hellwig, M., Ruff, G., Grimm, R., & Denschlag, J. H. (2004) · Physical Review Letters · doi:10.1103/physrevlett.93.123001 · Cited by 553
Metadata
- Authors
- Roberts, J. L., Claussen, N. R., Burke, J. P., Greene, C. H., Cornell, E. A., & Wieman, C. E.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1998-12-07
- Volume
- 81
- Issue
- 23
- Pages
- 5109-5112
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2015442762
- Cited by
- 499
- References
- 0
- FWCI
- 11.29
- Type
- journal article
- Language
- en
- Open access
- closed
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- Roberts, J. L., Claussen, N. R., Burke, J. P., Greene, C. H., Cornell, E. A., & Wieman, C. E. (1998). Resonant Magnetic Field Control of Elastic Scattering in ColdR85b. Physical Review Letters. https://doi.org/10.1103/physrevlett.81.5109
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