Talk:Belinfante–Rosenfeld stress–energy tensor

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on shell!?

Latest comment: 5 years ago1 comment1 person in discussion

There was an edit by MagnusPI saying that the B-R tensor is only symmetric on shell. I reverted it because I do not think that the claim is true.

In motivating the Belinfante-Rosenfeld one uses the equations of motion to link the asymmetry of the canonical tensor to the divergence of the spin current. It therefore might seem that the B-R tensor is symmetric only on shell. This is not true however. The only condition required for symmetry is the local Lorentz invariance (change of vierbein frame) of the action functional. I am happy to disuss this here if wanted Mike Stone (talk) —Preceding undated comment added 18:17, 19 January 2019 (UTC)Reply

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