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Electromagnetic normal modes and Casimir effects in layered structures
Linköping University, Department of Physics, Chemistry and Biology, Theoretical Physics. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-6281-868X
2014 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 90, no 15, 155457- p.Article in journal (Refereed) Published
Abstract [en]

We derive a general procedure for finding the electromagnetic normal modes in layered structures. We apply this procedure to planar, spherical, and cylindrical structures. These normal modes are important in a variety of applications. They are the only input needed in calculations of Casimir interactions. We present an explicit expression for the condition for modes and Casimir energy for a large number of specific geometries. The layers are allowed to be two-dimensional so graphene and graphenelike sheets as well as two-dimensional electron gases can be handled within the formalism. Also, forces on atoms in layered structures are obtained. One side result is the van der Waals and Casimir-Polder interaction between two atoms.

Place, publisher, year, edition, pages
American Physical Society , 2014. Vol. 90, no 15, 155457- p.
National Category
Physical Sciences
URN: urn:nbn:se:liu:diva-113065DOI: 10.1103/PhysRevB.90.155457ISI: 000345636400007OAI: diva2:778257
Available from: 2015-01-09 Created: 2015-01-08 Last updated: 2015-01-15

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Sernelius, Bo
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