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Results tagged with large-n
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user 285941
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Resources on calculation of beta function for $\mathrm{O}(N)$ model
Is there any useful introductory material about the calculation of the beta function in $\phi^4$ scalar theory and $O(N)$ model? I would also like to generalize this to the large-$N$ limit.
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Beta function in the large $N$ limit
I am currently studying Quantum Field Theory in the large $N$ limit (https://arxiv.org/abs/hep-th/9601080) and I am trying to understand how to calculate RG $β$-function
$N$ β-function" />
How can one …
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