SpECTRE
v2024.03.19
|
Auxiliary variable which is analytically the negative time derivative of the scalar field. More...
#include <Tags.hpp>
Public Types | |
using | type = Scalar< DataVector > |
Auxiliary variable which is analytically the negative time derivative of the scalar field.
If \(\Psi\) is the scalar field then we define \(\Pi = -\partial_t \Psi\)