SpECTRE  v2024.09.29
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CurvedScalarWave::Worldtube::Tags::Psi0 Struct Reference

Holds the constant coefficient of the regular field inside the worldtube. More...

#include <Tags.hpp>

Public Types

using type = Scalar< DataVector >
 

Detailed Description

Holds the constant coefficient of the regular field inside the worldtube.

Details

At orders n = 0 or 1 this is just equal to the monopole, but at n = 2, the monopole gets an additional contribution from the trace of the second order coefficient. At this point, this tag is used to solve an ODE based on the expanded Klein-Gordon equation. It is implemented as a Scalar of size 1 because the evolution system does not work with doubles.

The documentation for this struct was generated from the following file: