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Cooling Bose-Einstein Condensates Below 500 Picokelvin
Abstract
Spin-polarized gaseous Bose-Einstein condensates were confined by a combination of gravitational and magnetic forces. The partially condensed atomic vapors were adiabatically decompressed by weakening the gravito-magnetic trap to a mean frequency of 1hertz, then evaporatively reduced in size to 2500 atoms. This lowered the peak condensate density to 5 × 10 10 atoms per cubic centimeter and cooled the entire cloud in all three dimensions to a kinetic temperature of 450 ± 80 picokelvin. Such spin-polarized, dilute, and ultracold gases are important for spectroscopy, metrology, and atom optics.
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Citations
Cited by
Magnetic microtraps for ultracold atoms
Fortágh, J., & Zimmermann, C. (2007) · Reviews of Modern Physics · doi:10.1103/revmodphys.79.235 · Cited by 579
Quantum-enhanced measurements without entanglement
Braun, D., Adesso, G., Benatti, F., Floreanini, R., Marzolino, U., Mitchell, M. W., & Pirandola, S. (2018) · Reviews of Modern Physics · doi:10.1103/revmodphys.90.035006 · Cited by 434
Spin-Orbit Coupled Weakly Interacting Bose-Einstein Condensates in Harmonic Traps
Hu, H., Ramachandhran, B., Pu, H., & Liu, X.-J. (2012) · Physical Review Letters · doi:10.1103/physrevlett.108.010402 · Cited by 310
Observation of Bose–Einstein condensates in an Earth-orbiting research lab
Aveline, D. C., Williams, J. R., Elliott, E. R., Dutenhoffer, C., Kellogg, J. R., Kohel, J. M., Lay, N. E., Oudrhiri, K., Shotwell, R. F., Yu, N., et al. (2020) · Nature · doi:10.1038/s41586-020-2346-1 · Cited by 243
Metadata
- Authors
- Leanhardt, A. E., Pasquini, T. A., Saba, M., Schirotzek, A., Shin, Y., Kielpinski, D., Pritchard, D. E., & Ketterle, W.
- Venue
- Science
- Published
- 2003-09-12
- Volume
- 301
- Issue
- 5639
- Pages
- 1513-1515
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2078197727
- Cited by
- 235
- References
- 0
- FWCI
- 7.38
- Type
- journal article
- Language
- en
- Open access
- closed
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- Leanhardt, A. E., Pasquini, T. A., Saba, M., Schirotzek, A., Shin, Y., Kielpinski, D., Pritchard, D. E., & Ketterle, W. (2003). Cooling Bose-Einstein Condensates Below 500 Picokelvin. Science. https://doi.org/10.1126/science.1088827
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
