What this means ?

  • Thread starter sunkesheng
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  • #1
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Main Question or Discussion Point

i can see the mean of "[]" in the first row,it is the anticommunicater between \gamma{\mu} and \gamma{\nu}, but what it mean in the second row and the third?

thanks
 

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  • #2
505
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that means that the indicies should be antisymmetrized,

from the first you see it is a DEFINITION of the anticommutator, so you should be able to figure out what the third and second line is :)
 
  • #3
11
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thanks ,i found it in weinberge`s book vol.1
 
  • #4
505
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thanks ,i found it in weinberge`s book vol.1
cool, the image you posted is from Peskin right?
 
  • #5
11
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cool, the image you posted is from Peskin right?
that is right,and peskin had learnt from weinberge,hh
 
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