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Casimir experiments showing saturation effects
Linköping University, Department of Physics, Chemistry and Biology, Theoretical Physics . Linköping University, The Institute of Technology.ORCID iD: 0000-0002-6281-868X
2009 (English)In: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 80, no 4, 043828- p.Article in journal (Refereed) Published
Abstract [en]

We address several different Casimir experiments where theory and experiment disagree. First out is the classical Casimir force measurement between two metal half spaces; here both in the form of the torsion pendulum experiment by Lamoreaux and in the form of the Casimir pressure measurement between a gold sphere and a gold plate as performed by Decca et al.; theory predicts a large negative thermal correction, absent in the high precision experiments. The third experiment is the measurement of the Casimir force between a metal plate and a laser irradiated semiconductor membrane as performed by Chen et al.; the change in force with laser intensity is larger than predicted by theory. The fourth experiment is the measurement of the Casimir force between an atom and a wall in the form of the measurement by Obrecht et al. of the change in oscillation frequency of a 87Rb Bose-Einstein condensate trapped to a fused silica wall; the change is smaller than predicted by theory. We show that saturation effects can explain the discrepancies between theory and experiment observed in all these cases.

Place, publisher, year, edition, pages
2009. Vol. 80, no 4, 043828- p.
Keyword [en]
Bose-Einstein condensation, Casimir effect, laser beam effects, optical saturation, quantum optics, radiation pressure, rubidium, semiconductor materials, silicon compounds
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:liu:diva-51570DOI: 10.1103/PhysRevA.80.043828OAI: oai:DiVA.org:liu-51570DiVA: diva2:275822
Note
Original Publication: Bo E. Sernelius, , Casimir experiments showing saturation effects, 2009, Physical Review A. Atomic, Molecular, and Optical Physics, (80), 4, 043828. http://dx.doi.org/10.1103/PhysRevA.80.043828 Copyright: American Physical Society http://www.aps.org/ Available from: 2009-11-08 Created: 2009-11-08 Last updated: 2017-12-12

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