QFT - Field operator commutation

  • #1
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Summary:

Help with getting the dirac delta function from the field operator commutation
Hi everyone, I'm taking a QFT course this semester and we're studying from the Otto Nachtman: Texts and Monographs in Physics textbook, today our teacher asked us to get to the equation:
[Φ(x,t),∂/∂tΦ(y,t)]=iZ∂3(x-y)​
But I am unsure of how to get to this, does anyone have any advice or any textbooks or notes I could check? Thanks in Advance
 

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  • #4
PeterDonis
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It looks like the OP has re-posted the question in LaTeX in a new thread, so this one is closed to avoid duplication.
 

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