derivation of the Christoffel symbol

by elenuccia
Tags: christoffel, derivation, symbol
elenuccia is offline
Jan29-09, 11:07 AM
P: 1
How can I derive the Christoffel symbol from the vanishing of the covariant derivative of the metric tensor? can somebody write the calculation, I read that I have to do some permutation and resumming but I don't get the result! Thank you!
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Fredrik is offline
Jan29-09, 06:40 PM
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Did you obtain a result like
[tex]g_{\rho\sigma,\mu}=\Gamma^\lambda_{\mu\rho}g_{\lambda\sigma}+\Gamma^\la mbda_{\mu\sigma}g_{\rho\lambda}[/tex]
already? In that case, consider the quantity
and I think you'll be able to figure out the rest. Don't forget that a Levi-Civita connection is torsion free. This implies that the Christoffel symbol is symmetric in the lower indices.

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