Compute item for inverse spacetime metric \(g^{ab}\) in terms of the lapse \(\alpha\), shift \(\beta^i\), and inverse spatial metric \(\gamma^{ij}\).
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template<typename DataType, size_t SpatialDim, typename Frame>
struct gr::Tags::InverseSpacetimeMetricCompute< DataType, SpatialDim, Frame >
Compute item for inverse spacetime metric \(g^{ab}\) in terms of the lapse \(\alpha\), shift \(\beta^i\), and inverse spatial metric \(\gamma^{ij}\).
Details
Can be retrieved using gr::Tags::InverseSpacetimeMetric.