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Collective Excitations of a Bose-Einstein Condensate in a Magnetic Trap
Open accessAbstract
Collective excitations of a dilute Bose condensate have been observed. These excitations are analogous to phonons in superfluid helium. Bose condensates were created by evaporatively cooling magnetically trapped sodium atoms. Excitations were induced by a modulation of the trapping potential, and detected as shape oscillations in the freely expanding condensates. The frequencies of the lowest modes agreed well with theoretical predictions based on mean-field theory. Before the onset of Bose-Einstein condensation, we observed sound waves in a dense ultracold gas.
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Citations
Cited by
Squeezed States in a Bose-Einstein Condensate
Orzel, C., Tuchman, A. K., Fenselau, M. L., Yasuda, M., & Kasevich, M. A. (2001) · Science · doi:10.1126/science.1058149 · Cited by 854
Nobel lecture: When atoms behave as waves: Bose-Einstein condensation and the atom laser
Ketterle, W. (2002) · Reviews of Modern Physics · doi:10.1103/revmodphys.74.1131 · Cited by 833
Self-citationExciting Collective Oscillations in a Trapped 1D Gas
Moritz, H., Stöferle, T., Köhl, M., & Esslinger, T. (2003) · Physical Review Letters · doi:10.1103/physrevlett.91.250402 · Cited by 532
The physics of trapped dilute-gas Bose–Einstein condensates
Parkins, A. S., & Walls, D. F. (1998) · Physics Reports · doi:10.1016/s0370-1573(98)00014-3 · Cited by 401
Josephson effect between trapped Bose-Einstein condensates
Zapata, I., Sols, F., & Leggett, A. J. (1998) · Physical Review A · doi:10.1103/physreva.57.r28 · Cited by 289
Metadata
- Authors
- Mewes, M.-O., Andrews, M. R., van Druten, N. J., Kurn, D. M., Durfee, D. S., Townsend, C. G., & Ketterle, W.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1996-08-05
- Volume
- 77
- Issue
- 6
- Pages
- 988-991
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2127945721
- Cited by
- 602
- References
- 0
- FWCI
- 43.44
- Type
- journal article
- Language
- en
- Open access
- bronze
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- CoChat. (2026). Citation check: Collective Excitations of a Bose-Einstein Condensate in a Magnetic Trap. https://app.cochat.ai/papers/10.1103/physrevlett.77.988
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- Mewes, M.-O., Andrews, M. R., van Druten, N. J., Kurn, D. M., Durfee, D. S., Townsend, C. G., & Ketterle, W. (1996). Collective Excitations of a Bose-Einstein Condensate in a Magnetic Trap. Physical Review Letters. https://doi.org/10.1103/physrevlett.77.988
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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