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Differential form valued forms and distributional electromagnetic sources

Tucker, Robin (2009) Differential form valued forms and distributional electromagnetic sources. Journal of Mathematical Physics, 50 (3). ISSN 0022-2488

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Abstract

Properties of a fundamental double-form of bidegree (p,p) for p ≥ 0 are reviewed in order to establish a distributional framework for analyzing equations of the form Δ+λ2 = , where Δ is the Hodge–de Rham operator on p-forms on R3. Particular attention is devoted to singular distributional solutions that arise when the source is a singular p-form distribution. A constructive approach to Dirac distributions on (moving) submanifolds embedded in R3 is developed in terms of (Leray) forms generated by the geometry of the embedding. This framework offers a useful tool in electromagnetic modeling where the possibly time-dependent sources of certain physical attributes, such as electric charge, electric current, and polarization or magnetization, are concentrated on localized regions in space.

Item Type: Article
Journal or Publication Title: Journal of Mathematical Physics
Uncontrolled Keywords: differential equations ; electric charge ; electric current ; electromagnetic fields ; geometry ; magnetisation ; mathematical operators ; polarisation
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
ID Code: 55685
Deposited By: ep_importer_pure
Deposited On: 12 Jul 2012 09:22
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 20:41
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/55685

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