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  PIERS Online Vol. 4 No. 6 2008 pp: 605-610

A Toroidal Harmonic Representation of the Yukawa-potential Kernel for a Circular Cylindrical Source

Jerry P. Selvaggi, Sheppard J. Salon, and M. V. K. Chari

doi:10.2529/PIERS071206060403

[PDF Full Text (232 KB)]
Downloads: 752

Abstract:

A true cylindrical series expansion of the Yukawa- or screened Coulomb-otential kernel is developed for a finite circular cylindrical source through the application of a toroidal harmonic expansion. The Yukawa kernel is separated into a singular and nonsingular part. The singular part is expanded in terms of the associated toroidal harmonics and the nonsingular part is expanded in terms of an elementary binomial expansion.

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