1. Jan 20, 2015 #1

   kau

   

   can anyone refer me to some good introduction to this O(N) model and also large N expansion.
   Thanks.

    

   kau, Jan 20, 2015
2. 
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3. Jan 20, 2015 #2

   Einj

   

   In my opinion the best book for the large-N expansion is Sidney Coleman - 'Aspects of Symmetry'

    

   Einj, Jan 20, 2015
4. Jan 20, 2015 #3

   kau

   

   Does it contain technical steps and mathematical details also???

    

   kau, Jan 20, 2015
5. Jan 20, 2015 #4

   Einj

   

   It's fairly advanced so maybe it will have to work through the steps a bit. It also contains the O(N) model.

    

   Einj, Jan 20, 2015

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