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k-string tensions and the 1/N expansion
We address the question of whether the large-N expansion in pure SU(N) gauge theories requires that k-string tensions must have a power series expansion in 1/N^2, as in the sine law, or whether 1/N contributions are also allowable, as in Casimir scaling. We find that k-string tensions may, in fact,...
| Autores principales: | , , |
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| Lenguaje: | eng |
| Publicado: |
2011
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1103/PhysRevD.83.125019 http://cds.cern.ch/record/1325280 |