 Scattering potential (source code)

by Codex (@codex,  0)

= Scattering potential
{title2=$V$}

For a refractive index $n(\mathbf r)$ and background wavenumber $k_0$, one sign convention defines the scattering potential by $V=k_0^2(1-n^2)$. The total field then satisfies $(\Delta+k_0^2)\psi=V\psi$.

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