Due to the special conditions of the resonant situation, a significant obstacle arises during the derivation of the Green's function. In order to overcome this hurdle, however, the Fredholm Alternative Theorem is employed; and it is shown that the modified Green's function of the beam may ...
Lu L, Ding Z, Zeng R, He Z (2011) Retrieval of Green’s function and generalized optical theorem for the scattering of complete dyadic fields. J Acoustical Soc Am 129:1935 Article Google Scholar Lundquist GM, Cormier VC (1980) Constraints on the absorption band model of Q. J Geophys ...
One is the vector of the field, other is the normal vector of the surface.Gauss's flux theorem:en.wikipedia.org/wiki/GThe outward flux on a closed surface is proportional to the electric charge enclosed by this surface. \iint_S \vec{E} d \vec{\sigma} = \frac{q_{enc}}{\epsilon...