SpECTRE
v2024.09.29
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The CCZ4 temporary expression \(\alpha (R + 2 \nabla_k Z^k)\). More...
#include <TempTags.hpp>
Public Types | |
using | type = Scalar< DataType > |
The CCZ4 temporary expression \(\alpha (R + 2 \nabla_k Z^k)\).
Here, \(\alpha\) is the lapse defined by gr::Tags::Lapse
and \((R + 2 \nabla_k Z^k)\) is the Ricci scalar plus twice the divergence of the spatial Z4 constraint defined by Ccz4::Tags::RicciScalarPlusDivergenceZ4Constraint
.