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Interaction of a charge with a thin plasma sheet
Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), Halmstad Embedded and Intelligent Systems Research (EIS).
2007 (English)In: Physical Review D. Particles and fields, ISSN 0556-2821, E-ISSN 1089-4918, Vol. 76, no 6, p. 065011-Article in journal (Refereed) Published
Abstract [en]

The interaction of the electromagnetic field with a two-dimensional plasma sheet intended to describe the pi-electrons of a carbon nanotube or a C-60 molecule is investigated. By first integrating out the displacement field of the plasma or the electromagnetic field, different representations for quantities like the Casimir energy are derived which are shown to be consistent with one another. Starting from the covariant gauge for the electromagnetic field, it is shown that the matching conditions to which the presence of the plasma sheet can be reduced are different from the commonly used ones. The difference in the treatments does not show up in the Casimir force between two parallel sheets, but it is present in the Casimir-Polder force between a charge or a neutral atom and a sheet. At once, since the plasma sheet is a regularization of the conductor boundary conditions, this sheds light on the difference in physics found earlier in the realization of conductor boundary conditions as "thin" or "thick" boundary conditions in Phys. Rev. D 70, 085010 (2004).

Place, publisher, year, edition, pages
College Park, MD: American Physical Society , 2007. Vol. 76, no 6, p. 065011-
Keywords [en]
Electrodynamics, Planes, Energy
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:hh:diva-3361DOI: 10.1103/PhysRevD.76.065011ISI: 000249786900087Scopus ID: 2-s2.0-34748861664OAI: oai:DiVA.org:hh-3361DiVA, id: diva2:282134
Available from: 2009-12-18 Created: 2009-12-01 Last updated: 2018-03-23Bibliographically approved

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Bordag, Michael

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  • de-DE
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  • en-US
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  • nn-NB
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  • Other locale
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Output format
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