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Rev. Mod. Phys. 59, 235 - 261 (1987)

Some aspects of large-N theories

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Sumit R. Das
Fermi National Accelerator Laboratory, Batavia, Illinois 60510

This is a pedagogical review of some aspects of quantum field theories in the limit in which the number of internal degrees of freedom is large. The focus is on large-N QCD. The authors briefly discuss several well-known approaches to a solution of the N=∞ limit: loop equations, classical actions, and master fields. Eguchi-Kawai models are discussed in detail, and some recently obtained numerical results are reviewed.


©1987 The American Physical Society

URL: http://link.aps.org/abstract/RMP/v59/p235
DOI: 10.1103/RevModPhys.59.235

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