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SpECTRE
v2025.08.19
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Computes Tags::KleinGordonSource<Tag> for the tags evolved by Klein-Gordon Cce.
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Computes Tags::KleinGordonSource<Tag> for the tags evolved by Klein-Gordon Cce.
In scalar-tensor theory, the Cce hypersurface equations get additional source terms contributed by the stress-energy tensor of the scalar field. The tag Tags::KleinGordonSource<Tag> stores the corresponding volume data.