Physics – Classical Physics
Scientific paper
2010-08-31
J. Korean Phys. Soc. $\bf 57$, 55 (2010)
Physics
Classical Physics
6pages, no figure
Scientific paper
When anisotropy is involved, the wave equation becomes simultaneous partial differential equations that are not easily solved. Moreover, when the anisotropy occurs due to both permittivity and permeability, these equations are insolvable without a numerical or an approximate method. The problem is essentially due to the fact neither $\e$ nor $\m$ can be extracted from the curl term, when they are in it. The terms $\na\times {\bf E}$ (or ${\bf H})$ and $\na\times \e{\bf E}$ (or $\;\m{\bf H})$ are practically independent variables, and $\bf E$ and $\bf H$ are coupled to each other. However, if Maxwell's equations are manipulated in a different way, new wave equations are obtained. The obtained equations can be applied in anisotropic, as well as isotropic, cases. In addition, $\bf E$ and $\bf H$ are decoupled in the new equations, so the equations can be solved analytically by using tensor Green's functions.
Lee Jinyoung
Lee Seoktae
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