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samalkhaiat

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The energy-momentum tensor for any classical field theory = -2 X the functional derivative of the action with respect to the metric tensor.

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- Thread starter samalkhaiat
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- #1

samalkhaiat

Science Advisor

- 1,762

- 1,119

The energy-momentum tensor for any classical field theory = -2 X the functional derivative of the action with respect to the metric tensor.

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hellfire

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- #3

samalkhaiat

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given any "free" matter field Lagrangian, show that the symmetric E-M tensor is equal to -2 X the functional derivative of the "free" matter action with respect to the metric tensor.(I am asking for proof with no reference to gravity). thanks.

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