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Quantum Reflection from a Solid Surface at Normal Incidence
Open accessAbstract
We observed quantum reflection of ultracold atoms from the attractive potential of a solid surface. Extremely dilute Bose-Einstein condensates of 23Na, with peak density 10(11)-10(12) atoms/cm(3), confined in a weak gravitomagnetic trap were normally incident on a silicon surface. Reflection probabilities of up to 20% were observed for incident velocities of 1-8 mm/s. The velocity dependence agrees qualitatively with the prediction for quantum reflection from the attractive Casimir-Polder potential. Atoms confined in a harmonic trap divided in half by a solid surface exhibited extended lifetime due to quantum reflection from the surface, implying a reflection probability above 50%.
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Cited by
Advances in the Casimir Effect
Bordag, M., Klimchitskaya, G. L., Mohideen, U., & Mostepanenko, V. M. (2009) · doi:10.1093/acprof:oso/9780199238743.001.0001 · Cited by 1,284
The Casimir force between real materials: Experiment and theory
Klimchitskaya, G. L., Mohideen, U., & Mostepanenko, V. M. (2009) · Reviews of Modern Physics · doi:10.1103/revmodphys.81.1827 · Cited by 834
Magnetic microtraps for ultracold atoms
Fortágh, J., & Zimmermann, C. (2007) · Reviews of Modern Physics · doi:10.1103/revmodphys.79.235 · Cited by 579
Fort, C., Fallani, L., Guarrera, V., Lye, J. E., Modugno, M., Wiersma, D. S., & Inguscio, M. (2005) · Physical Review Letters · doi:10.1103/physrevlett.95.170410 · Cited by 269
Harber, D. M., Obrecht, J. M., McGuirk, J. M., & Cornell, E. A. (2005) · Physical Review A · doi:10.1103/physreva.72.033610 · Cited by 268
Metadata
- Authors
- Pasquini, T. A., Shin, Y., Sanner, C., Saba, M., Schirotzek, A., Pritchard, D. E., & Ketterle, W.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2004-11-24
- Volume
- 93
- Issue
- 22
- Pages
- 223201-223201
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2048641827
- Cited by
- 242
- References
- 0
- FWCI
- 10.03
- Type
- journal article
- Language
- en
- Open access
- green
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- Pasquini, T. A., Shin, Y., Sanner, C., Saba, M., Schirotzek, A., Pritchard, D. E., & Ketterle, W. (2004). Quantum Reflection from a Solid Surface at Normal Incidence. Physical Review Letters. https://doi.org/10.1103/physrevlett.93.223201
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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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