Green's functions for Neumann boundary conditions
arXiv:1201.6059
Abstract
Green's functions for Neumann boundary conditions have been considered in Math Physics and Electromagnetism textbooks, but special constraints and other properties required for Neumann boundary conditions have generally not been noticed or treated correctly. In this paper, we derive an appropriate Neumann Green's function with these constraints and properties incorporated.
One reference has been added, and the discussion extended, with no change in the summary or conclusions