Energy-momentum tensor, lagrangian density

  • Thread starter Fisica
  • Start date
  • #1
12
1

Homework Statement



I try to calculate the energy tensor, but i cant do it like the article, and i dont know, i have a photo but it dont look very good, sorry for my english, i have a problem with a sign in the result

Homework Equations





The Attempt at a Solution



In the photos you can see the attemp at a solution
 

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Answers and Replies

  • #3
12
1
I must get the yellow (3) from yellow in (2)
 

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