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On emergence in gauge theories at the 't Hooft limit
[article]

2012
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arXiv
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pre-print

The aim of this paper is to contribute to a better conceptual understanding of gauge quantum field theories, such as quantum chromodynamics, by discussing a famous physical limit, the 't Hooft limit, in which the theory concerned often simplifies. The idea of the limit is that the number N of colours (or charges) goes to infinity. The simplifications that can happen in this limit, and that we will consider, are: (i) the theory's Feynman diagrams can be drawn on a plane without lines

arXiv:1208.4986v1
fatcat:4wl3cmhdsvf5ljbsrfdy7z7a34