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Saturation effects in experiments on the thermal Casimir effect
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: EPL, ISSN 0295-5075, Vol. 87, no 1, 14004- p.Article in journal (Refereed) Published
Abstract [en]

We address three different problematic Casimir experiments in this work. The first is the classical Casimir force measured between two metal half-spaces; here in the form of the Casimir pressure measurement between a gold sphere and a gold plate as performed by Decca et al. (Phys. Rev. D, 75 (2007) 077101); theory predicts a large negative thermal correction, absent in the high-precision experiment. The second experiment is the measurement of the Casimir force between a metal plate and a laser irradiated semiconductor membrane as performed by Chen et al. (Phys. Rev. B, 76 (2007) 035338); the change in force with laser intensity is larger than predicted by theory. The third experiment is the measurement of the Casimir force between an atom and a wall in the form of the measurement by Obrecht et al. (Phys. Rev. Lett., 98 (2007) 063201) of the change in oscillation frequency of a Rb-87 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. 87, no 1, 14004- p.
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Natural Sciences
Identifiers
URN: urn:nbn:se:liu:diva-20605DOI: 10.1209/0295-5075/87/14004OAI: oai:DiVA.org:liu-20605DiVA: diva2:235532
Note
Original Publication: Bo E Sernelius, Saturation effects in experiments on the thermal Casimir effect, 2009, EPL, (87), 1, 14004. http://dx.doi.org/10.1209/0295-5075/87/14004 Copyright: EDP Sciences. http://publications.edpsciences.org/ Available from: 2009-09-16 Created: 2009-09-15 Last updated: 2013-10-02

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