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Results tagged with metric-tensor
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user 366653
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 prove $ g^{\mu\nu}\Lambda^{\rho}{}_{\mu}\Lambda^{\sigma}{}_{\nu}=g^{\rho\sigma} $ for...
In Srednicki's book, we have
\begin{align*}
g_{\mu\nu}\Lambda^\mu{}_\rho\Lambda^\nu{}_\sigma=g_{\rho\sigma}
\end{align*}
and let $ \Lambda \to \Lambda^{-1} $, use the relationship $ (\Lambda^{-1})^\r …
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