String model potentials and lattice gauge theories

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The static potentials from bosonic string models are examined to the two-loop level. Available MC data for 4-dimensional SU(3) are in approximate agreement with the universal leading order predictions but fail to reproduce the Nambu string when the two-loop terms are included in the analysis. We also confront Nambu string model predictions for Tc σ with SU(2), SU(3) and SU(N → ∞) MC data. In the SU(2) case, impressive agreement is found both in 3 and 4 dimensions. In contrast, the data for SU(3) and SU(N → ∞) differ from the string model prediction. These theories have identical values for Tc σ, indicating that N → ∞ is a good approximation to N = 3.


  • M. Flensburg
  • C. Peterson
Enheter & grupper
Externa organisationer
  • Lund University

Ämnesklassifikation (UKÄ) – OBLIGATORISK

  • Annan fysik
Sidor (från-till)141-164
Antal sidor24
TidskriftNuclear Physics, Section B
StatusPublished - 1987
Peer review utfördJa