AI Article Synopsis
- The study focuses on boundary conditions for specific coherency dyadic at a rough interface in a random medium, using a modified Twersky approximation.
- It involves solving a scattering problem for rough surfaces with plane electromagnetic waves in a discrete random medium where boundaries don’t scatter.
- The derived mathematical expressions for reflection and transmission coefficients match those from a phenomenological facet model approach.
Article Abstract
For a macroscopically plane-parallel discrete random medium, the boundary conditions for the specific coherency dyadic at a rough interface are derived. The derivation is based on a modification of the Twersky approximation for a scattering system consisting of a group of particles and the rough surface, and reduces to the solution of the scattering problem for a rough surface illuminated by a plane electromagnetic wave propagating in a discrete random medium with non-scattering boundaries. In a matrix-form setting, the boundary conditions for the specific coherency dyadic imply the boundary conditions for specific intensity column vectors which in turn, yield the expressions for the reflection and transmission matrices. The derived expressions are shown to be identical to those obtained by applying a phenomenological approach based on a facet model to the solution of the scattering problem for a rough surface illuminated by a plane electromagnetic wave.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6258088 | PMC |
| http://dx.doi.org/10.1016/j.jqsrt.2018.07.016 | DOI Listing |
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