Density of electric field energy around two surface-charged spheres surrounded by electrolyte II. The smaller sphere is inside the larger one

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Abstract

Based on the generalized version of Newton’s Shell Theorem [7] the electric field energy density, uF around two surface-charged spheres surrounded by electrolyte where the smaller sphere is inside the larger one is analytically calculated. According to the calculations when the surfaces of the spheres are farther from each other than four times of the Debye length the field energy density around and inside the smaller sphere is basically independent from the presence of the larger sphere. The electric field energy density is maximal when the smaller sphere touches the inner surface of the larger sphere and the maximum of uF is located at the touching point on the outer surface of the larger sphere.

Original languageEnglish
Pages (from-to)61-71
Number of pages11
JournalAIMS Biophysics
Volume9
Issue number1
DOIs
StatePublished - 2022

Keywords

  • Debye length
  • Electric field energy density
  • Generalized shell theorem

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