Orientation dependence of Casimir forces
Name
Emig-2009-Orientation dependen.pdf
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1.37 MB
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Author(s) • • •
Emig, Thorsten
Graham, Noah
Jaffe, Robert L.
Kardar, Mehran
Date Issued
May 2009
Journal
Physical Review A
Publisher
American Physical Society
Citation
Emig, T. et al. “Orientation dependence of Casimir forces.” Physical Review A 79.5 (2009): 054901. © 2009 The American Physical Society.
Version
Final published version
Abstract
The Casimir interaction between two objects, or between an object and a plane, depends on their relative orientations. We make these angular dependences explicit by considering prolate or oblate spheroids. The variation with orientation is calculated exactly at asymptotically large distances for the electromagnetic field and at arbitrary separations for a scalar field. For a spheroid in front of a mirror, the leading term is orientation independent, and we find the optimal orientation from computations at higher order.
MIT Department
Massachusetts Institute of Technology. Center for Theoretical Physics
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Research Laboratory of Electronics
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
http://dx.doi.org/10.1103/PhysRevA.79.054901