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Magneto-Optical Trapping and Cooling of Strontium Atoms down to the Photon Recoil Temperature
Abstract
We report narrow-line laser cooling and trapping of strontium atoms down to the photon recoil temperature. ${}^{88}\mathrm{Sr}$ atoms precooled by the broad $^{1}S_{0}\ensuremath{-}^{1}P_{1}$ transition at 461 nm were further cooled in a magneto-optical trap using the spin-forbidden transition $^{1}S_{0}\ensuremath{-}^{3}P_{1}$ at 689 nm. We have thus obtained an atomic sample with a density over ${10}^{12}\mathrm{cm}{}^{\ensuremath{-}3}$ and a minimum temperature of 400 nK, corresponding to a maximum phase space density of ${10}^{\ensuremath{-}2}$ which is 3 orders of magnitude larger than the value that has been obtained by magneto-optical traps to date. This scheme provides us an opportunity and system to study quantum statistical properties of degenerate fermions as well as bosons.
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Cited by
Ludlow, A. D., Boyd, M. M., Ye, J., Peik, E., & Schmidt, P. O. (2015) · Reviews of Modern Physics · doi:10.1103/revmodphys.87.637 · Cited by 2,385
Bose-Einstein Condensation of Erbium
Aikawa, K., Frisch, A., Mark, M., Baier, S., Rietzler, A., Grimm, R., & Ferlaino, F. (2012) · Physical Review Letters · doi:10.1103/physrevlett.108.210401 · Cited by 833
An Optical Clock Based on a Single Trapped 199 Hg + Ion
Diddams, S. A., Udem, T., Bergquist, J. C., Curtis, E. A., Drullinger, R. E., Hollberg, L., Itano, W. M., Lee, W. D., Oates, C. W., Vogel, K. R., et al. (2001) · Science · doi:10.1126/science.1061171 · Cited by 720
Clock with 8 × 10 − 19 Systematic Uncertainty
Aeppli, A., Kim, K., Warfield, W., Safronova, M. S., & Ye, J. (2024) · Physical Review Letters · doi:10.1103/physrevlett.133.023401 · Cited by 211
Accuracy evaluation of an optical lattice clock with bosonic atoms
Baillard, X., Fouché, M., Le Targat, R., Westergaard, P. G., Lecallier, A., Le Coq, Y., Rovera, G. D., Bize, S., & Lemonde, P. (2007) · Optics Letters · doi:10.1364/ol.32.001812 · Cited by 100
Metadata
- Authors
- Katori, H., Ido, T., Isoya, Y., & Kuwata-Gonokami, M.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1999-02-08
- Volume
- 82
- Issue
- 6
- Pages
- 1116-1119
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W1995655737
- Cited by
- 376
- References
- 0
- FWCI
- 10.10
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Magneto-Optical Trapping and Cooling of Strontium Atoms down to the Photon Recoil Temperature. https://app.cochat.ai/papers/10.1103/physrevlett.82.1116
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- Katori, H., Ido, T., Isoya, Y., & Kuwata-Gonokami, M. (1999). Magneto-Optical Trapping and Cooling of Strontium Atoms down to the Photon Recoil Temperature. Physical Review Letters. https://doi.org/10.1103/physrevlett.82.1116
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