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- Title
The LargeNLimit from the Lattice.
- Authors
Lucini, B.
- Abstract
A numerical study of the string tension and of the masses of the lowest-lying glueballs is performed inSU(N) gauge theories for 2 =N= 8 in D = 3 + 1 and 2 =N= 6 in D = 2 + 1. It is shown that for the string tension a smoothN? 8 limit exists that depends only on the ’t Hooft coupling ? =g2 N. An extrapolation of the masses of the lightest glueballs toN= 8 using a power series in 1/N2 shows that the leading correction to the infiniteNvalue accounts for finiteNeffects forNat least as small as 3 and all the way down toN= 2 in many cases.k-String tension ratios and possible issues connected with correlation functions at largeNare also discussed.
- Subjects
LATTICE field theory; GAUGE field theory; FIELD theory (Physics); GROUP theory; LATTICE theory
- Publication
Few-Body Systems, 2005, Vol 36, Issue 1-4, p161
- ISSN
0177-7963
- Publication type
Article
- DOI
10.1007/s00601-004-0094-7