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## Main Question or Discussion Point

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

Thanks.

Thanks.

- Thread starter kau
- Start date

- #1

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

Thanks.

Thanks.

- #2

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

- #3

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

- #4

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