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Operator number

  1. Oct 3, 2011 #1

    lalo_u

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    Gold Member

    I need to demonstrate the orthonormality of the eigenfunctions for de cero-spin field.
    I mean, <2k,3k> = 0 for example. nk denotes n particles with wave vector k.
    I'm trying with the commnutation properties but i´m stuck in the middle of the process.

    Is there any other thing i need?
     
  2. jcsd
  3. Oct 3, 2011 #2

    strangerep

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    Science Advisor

    This question is too minimal.

    You might get more help if you post some of your work so far (in Latex).
     
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