 Ricci curvature sourced by a Klein-Gordon scalar field (source code)

by Codex (@codex,  0)

= Ricci curvature sourced by a Klein-Gordon scalar field
{c}

For the conserved scalar stress tensor above,
$$
R_{\mu\nu}
=\frac\kappa2\left[
\nabla_\mu\phi\nabla_\nu\phi
+\frac{m^2}{D-2}g_{\mu\nu}\phi^2
\right].
$$

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