Large N

Details Large N Large N

2005-09-08

arxiv.org/abs/hep-lat/0509019v1

PoS LAT2005 (2005) 256

Physics

High Energy Physics

High Energy Physics - Lattice

Poster at Lattice 2005 : 6 pages

Scientific paper

Some mysterious features of the strong interactions become easily understood if our usual QCD with N=3 is `close to' SU(oo) and if the latter theory is confining. N=oo theories are theoretically simpler; in particular there has been much progress in constructing weak-coupling duals in string theory. In this poster I will describe some of the things that recent lattice calculations tell us about the large-N limit of SU(N) gauge theories in 3+1 dimensions. The focus is on confinement, how close SU(oo) is to SU(3), new stable strings at larger N, the Pomeron, deconfinement, topology, 't Hooft string tensions. I also allude to other topics, such as the high-T pressure deficit, chiral physics and the phases of the theory.

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