SpECTRE
v2024.05.11
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The shift vector contracted with the gradient of the trace of the extrinsic curvature: \(\beta^i\partial_i K\). More...
#include <Tags.hpp>
Public Types | |
using | type = Scalar< DataType > |
The shift vector contracted with the gradient of the trace of the extrinsic curvature: \(\beta^i\partial_i K\).
The shift vector in this quantity is the full shift \(\beta^i=\beta^i_\mathrm{background}+\beta^i_\mathrm{excess}\) (see Xcts::Tags::ShiftExcess
for details on this split).