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Corrections beyond the proximity force approximation
Univ Nottingham Malaysia Campus, Fac Engn, Dept Appl Math, Semenyih 43500, Selangor Darul, Malaysia .
Univ Leipzig, D-04103 Leipzig, Germany .
Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), Halmstad Embedded and Intelligent Systems Research (EIS).
2011 (English)In: Physical Review D, ISSN 1550-7998, Vol. 84, no 12, 125037- p.Article in journal (Refereed) Published
Abstract [en]

We recalculate the first analytic correction beyond proximity force approximation for a sphere in front of a plane for a scalar field and for the electromagnetic field. We use the method of Bordag and Nikolaev [J. Phys. A 41, 164002 (2008)]. We confirm their result for Dirichlet boundary conditions whereas we find a different one for Robin, Neumann and conductor boundary conditions. The difference can be traced back to a sign error. As a result, the corrections depend on the Robin parameter. Agreement is found with a very recent method of derivative expansion.

Place, publisher, year, edition, pages
College Park, MD: American Physical Society , 2011. Vol. 84, no 12, 125037- p.
National Category
Engineering and Technology
URN: urn:nbn:se:hh:diva-18874DOI: 10.1103/PhysRevD.84.125037ISI: 000298667100010ScopusID: 2-s2.0-84855319717OAI: diva2:537624
Available from: 2012-06-27 Created: 2012-06-25 Last updated: 2014-03-26Bibliographically approved

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