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J. Math. Phys. 27, 377 (1986); http://dx.doi.org/10.1063/1.527343 (3 pages)

Relation between the connected diagram and smoothing methods for rough surface scattering

John A. DeSanto

Center for Wave Phenomena, Department of Mathematics, Colorado School of Mines, Golden, Colorado 80401

(Received 26 March 1985; accepted 23 August 1985)

In previous work by the author on connected diagram expansion methods for the problem of scattering from a random rough surface a stochastic Lippmann–Schwinger integral equation in Fourier transform space for the scattered part of the Green’s function was derived. Averaging techniques using homogeneous statistics and a statistical cluster decomposition on the surface interaction function yielded a connected diagram expansion for the coherent and incoherent Green’s functions. Here it is demonstrated that the smoothing method applied to this stochastic integral equation yields a result that agrees with the connected diagram expansion only to second order in the surface interaction. For third‐ and higher‐order interactions, the smoothing method does not yield connected terms.

KEYWORDS and PACS

PACS

  • 41.20.Jb

    Electromagnetic wave propagation; radiowave propagation

  • 43.20.Fn

    Scattering of acoustic waves

  • 02.50.Ey

    Stochastic processes

ARTICLE DATA

PUBLICATION DATA

ISSN

0022-2488 (print)  
1089-7658 (online)


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