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Results tagged with metric-tensor
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user 321746
The variables used in general relativity to describe the shape of spacetime. If your question is about metric units, use the tag "units", and/or "si-units" if it is about the SI system specifically.
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How to interpret the sign change of scalar Ricci curvature in Schwarzschild interior solution?
The scalar curvature is equal to $\epsilon-3p$. For a small body, such as the earth, this expression is dominated by the mass density, so it's positive. For a black hole, the pressure near the center …
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