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Invertibility of current density from near-field electromagnetic data

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Please use this identifier to cite or link to this item: http://hdl.handle.net/1928/20184

Invertibility of current density from near-field electromagnetic data

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dc.contributor.author Coutsias, Evangelos A.
dc.contributor.author Sheltraw, Daniel
dc.date.accessioned 2012-03-22T22:09:44Z
dc.date.available 2012-03-22T22:09:44Z
dc.date.issued 2003-09-30
dc.identifier.citation Journal of Applied Physics, 94(8): 5307-5315 en_US
dc.identifier.issn 0021-8979
dc.identifier.uri http://hdl.handle.net/1928/20184
dc.description © 2003 American Institute of Physics. DOI: 10.1063/1.1611262 en_US
dc.description.abstract The problem of determining a current density confined to a volume from measurements of the magnetic and electric fields it produces exterior to that volume is known to have nonunique solutions. Despite the nonuniqueness of the inversion we show that one may nevertheless uniquely determine certain moments of the vector spherical harmonic expansion of the current. It is demonstrated that the determination of these moments allows for the unique inversion of a current density confined to a spherical shell. Although unique the inversion may be ill conditioned and require a regularization of the inversion as demonstrated in an example numerical inversion. en_US
dc.language.iso en_US en_US
dc.publisher American Institute of Physics en_US
dc.title Invertibility of current density from near-field electromagnetic data en_US
dc.type Article en_US


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