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ERIC Number: EJ832543
Record Type: Journal
Publication Date: 2007-Sep
Pages: 22
Abstractor: As Provided
ISSN: ISSN-0143-0807
On the Electromagnetic Momentum of Static Charge and Steady Current Distributions
Gsponer, Andre
European Journal of Physics, v28 n5 p1021-1042 Sep 2007
Faraday's and Furry's formulae for the electromagnetic momentum of static charge distributions combined with steady electric current distributions are generalized in order to obtain full agreement with Poynting's formula in the case where all fields are of class C[superscript 1], i.e., continuous and continuously differentiable, and the integration volume is of finite or infinite extent. These three formulae are further generalized to the case where singularities are allowed to exist at isolated points in the fields, and at surfaces separating domains in which the distributions are of class C[superscript 1]. Applications are made to electric and magnetic, point-like and finite dipolar systems, with an emphasis on the impact of singularities on the magnitude and location of the electromagnetic momentum.
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Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A