Spectrum of confining strings in SU ( N ) gauge theories

@inproceedings{Debbio2001SpectrumOC,
  title={Spectrum of confining strings in SU ( N ) gauge theories},
  author={Luigi Del Debbio and H. Panagopoulos},
  year={2001}
}
We study the spectrum of the confining strings in four-dimensional SU(N) gauge theories. We compute, for the SU(4) and SU(6) gauge theories formulated on a lattice, the string tensions σk related to sources with ZN charge k, using Monte Carlo simulations. Our results are consistent with the sine formula σk/σ = sin k π N / sin π N for the ratio between σk and the standard string tension σ. For the SU(4) and SU(6) cases the accuracy is approximately 1% and 2%, respectively. The sine formula is… CONTINUE READING
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