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Observation of a Feshbach Resonance in Cold Atom Scattering
Abstract
We probe $s$-wave collisions of laser-cooled ${}^{85}\mathrm{Rb}({f\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}2,m}_{f}\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}\ensuremath{-}2)$ atoms with Zeeman-resolved photoassociation spectroscopy. We observe that these collisions exhibit a magnetically tunable Feshbach resonance, and determine that this resonance tunes to zero energy at a magnetic field of $164\ifmmode\pm\else\textpm\fi{}7\mathrm{G}$. This result indicates that the self-interaction energy of an ${}^{85}\mathrm{Rb}$ Bose-Einstein condensate can be magnetically tuned. We also demonstrate that Zeeman-resolved photoassociation spectroscopy provides a useful new tool for the study of ultracold atomic collisions.
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Citations
Cited by
Many-body physics with ultracold gases
Bloch, I., Dalibard, J., & Zwerger, W. (2008) · Reviews of Modern Physics · doi:10.1103/revmodphys.80.885 · Cited by 8,114
Optical Dipole Traps for Neutral Atoms
Grimm, R., Weidemüller, M., & Ovchinnikov, Y. B. (2000) · Advances In Atomic, Molecular, and Optical Physics · doi:10.1016/s1049-250x(08)60186-x · Cited by 1,539
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
Ultracold photoassociation spectroscopy: Long-range molecules and atomic scattering
Jones, K. M., Tiesinga, E., Lett, P. D., & Julienne, P. S. (2006) · Reviews of Modern Physics · doi:10.1103/revmodphys.78.483 · Cited by 873
Cornell, E. A., & Wieman, C. E. (2002) · Reviews of Modern Physics · doi:10.1103/revmodphys.74.875 · Cited by 837
Metadata
- Authors
- Courteille, P., Freeland, R. S., Heinzen, D. J., van Abeelen, F. A., & Verhaar, B. J.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1998-07-06
- Volume
- 81
- Issue
- 1
- Pages
- 69-72
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W1988241451
- Cited by
- 555
- References
- 0
- FWCI
- 15.46
- Type
- journal article
- Language
- en
- Open access
- closed
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- Courteille, P., Freeland, R. S., Heinzen, D. J., van Abeelen, F. A., & Verhaar, B. J. (1998). Observation of a Feshbach Resonance in Cold Atom Scattering. Physical Review Letters. https://doi.org/10.1103/physrevlett.81.69
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