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Recent questions tagged metric-tensor

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Recent questions tagged metric-tensor

The metric tensor is a second rank (specifically, it is a (2,0) tensor) tensor $g_{\mu\nu}$ such that $g_{\mu\nu}=\hat e_\mu\cdot\hat e_\nu$. It therefore describes the angles between vectors. Curvature tensors can be derived from it.

This tensor is commonly used in general-relativity, where the curvature of spacetime describes the strength of gravity, in a sense. A solution to the Einstein Field Equation is a solution for the metric tensor.

The metric tensor formulation is of course, a second-order formulation. The first-order formulation uses the vielbin.

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+ 2 like - 0 dislike
1 answer 246 views
Norm of Dilatation operator
asked Oct 3, 2015 in Theoretical Physics by Partha Paul (10 points)
+ 5 like - 0 dislike
0 answers 53 views
How many Killing spinors exist on $S^5$?
asked Mar 8, 2015 in Theoretical Physics by leastaction (425 points)
+ 2 like - 0 dislike
5 answers 710 views
Calculating the Riemann tensor for a 3-Sphere
asked Oct 4, 2014 in Theoretical Physics by Kevin Murray (35 points)
+ 4 like - 0 dislike
0 answers 406 views
Question about derivation of tensor in Di Francesco's CFT
asked Sep 12, 2014 in Theoretical Physics by CAF (100 points)
+ 2 like - 0 dislike
0 answers 178 views
Why does product of Moduli and Diff x Weyl Variation vanish?
asked Aug 27, 2014 in Theoretical Physics by sol0invictus (45 points)
+ 2 like - 0 dislike
0 answers 21 views
Using Polyakov-Alvarez Anomaly Formula
asked Aug 15, 2014 in Theoretical Physics by AndyCee (10 points)
+ 2 like - 0 dislike
1 answer 176 views
Metric $f(R)$ Instability
asked Apr 13, 2014 in Theoretical Physics by user38032 (10 points)
+ 3 like - 0 dislike
0 answers 31 views
Some hints for special case of metric tensor in GR
asked Nov 22, 2013 in Theoretical Physics by Andrew McAddams (340 points)
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