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Counterterms, Srednicki

  1. Jun 12, 2009 #1

    malawi_glenn

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    Hi, I was wonder what mr. Srednicki is meaning on page 68 (page 82 in his pre-print), where he writes that "Eq. 9.25" results in a new vertex where two lines meet" Now I have a hard time to figure it out how it would look like diagrammatically and was wondering if anyone had a more hands-on example?

    cheers
     
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  3. Jun 12, 2009 #2

    Avodyne

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    The corresponding diagram is the second one in figure 14.1.
     
  4. Jun 12, 2009 #3

    malawi_glenn

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    Thanx mate!

    I have a hard time to appreciate Srednicki, the reviews on Amazon is very good. But I think that sometimes, it the worst textbook I have read. So I have this hate-love relation to him. Same with Peskins book... but in the end, I think Peskin and Srednicki complements each other very well.
     
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