Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

What this means ?

  1. Apr 4, 2010 #1
    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?


    Attached Files:

  2. jcsd
  3. Apr 4, 2010 #2
    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 :)
  4. Apr 24, 2010 #3
    thanks ,i found it in weinberge`s book vol.1
  5. Apr 24, 2010 #4
    cool, the image you posted is from Peskin right?
  6. Apr 24, 2010 #5
    that is right,and peskin had learnt from weinberge,hh
    Last edited: Apr 25, 2010
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook