Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1999-02-22
Phys.Rev. D60 (1999) 065008
Physics
High Energy Physics
High Energy Physics - Theory
13 pages, 5 figures, corrected some typos
Scientific paper
10.1103/PhysRevD.60.065008
The abelian Chern-Simons theory is perturbed by introducing local gauge-invariant interaction terms depending on the curvature. The computation of the correlation function of two Wilson lines for two smooth closed nonintersecting curves is reported up to four loops and is shown to be unaffected by radiative corrections. This result ensures the stability of the linking number of the two curves with respect to the local perturbations which may be added to the Chern-Simons action.
Lemes V. E. R.
Linhares Cesar A.
Sasaki D. G. G.
Sorella Silvio Paolo
Vilar Luiz C. Q.
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