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Evaporative Cooling of Spin-Polarized Atomic Hydrogen
Abstract
A gas of hydrogen atoms, confined in a static magnetic trap, has been evaporatively cooled to temperatures of a few millikelvin. The initial trap configuration held the gas at 38 mK for as long as 5 h. Evaporative cooling reduced the temperature to 3.0 mK while maintaining the central density at 7.6\ifmmode\times\else\texttimes\fi{}${10}^{12}$ ${\mathrm{cm}}^{\ensuremath{-}3}$. These values were determined by measurement of the rate of electronic spin relaxation and are in agreement with model calculations. Further cooling to 1 mK (inferred from the model) has been achieved. Measurements were made of the efficiency of the evaporative cooling process.
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Citations
Cited by
Bose-Einstein condensation in low-dimensional traps
Bagnato, V., & Kleppner, D. (1991) · Physical Review A · doi:10.1103/physreva.44.7439 · Cited by 384
Self-citationCollisions of ultracoldtrapped atoms
Julienne, P. S., & Mies, F. H. (1989) · Journal of the Optical Society of America B · doi:10.1364/josab.6.002257 · Cited by 191
Metadata
- Authors
- Masuhara, N., Doyle, J. M., Sandberg, J. C., Kleppner, D., Greytak, T. J., Hess, H. F., & Kochanski, G. P.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1988-08-22
- Volume
- 61
- Issue
- 8
- Pages
- 935-938
- ISSN
- 0031-9007 (ISSN-L)
- OpenAlex
- W2092885978
- Cited by
- 252
- References
- 0
- FWCI
- 4.26
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Evaporative Cooling of Spin-Polarized Atomic Hydrogen. https://app.cochat.ai/papers/10.1103/physrevlett.61.935
- The paper
- Masuhara, N., Doyle, J. M., Sandberg, J. C., Kleppner, D., Greytak, T. J., Hess, H. F., & Kochanski, G. P. (1988). Evaporative Cooling of Spin-Polarized Atomic Hydrogen. Physical Review Letters. https://doi.org/10.1103/physrevlett.61.935
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