Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2000-10-31
Phys.Lett. B501 (2001) 313-318
Physics
High Energy Physics
High Energy Physics - Theory
12 pages, 1 figure
Scientific paper
10.1016/S0370-2693(01)00163-0
We discuss the stability of vacua in two-dimensional gauge theory for any simple, simply connected gauge group. Making use of the representation of a vacuum in terms of a Wilson line at infinity, we determine which vacua are stable against pair production of heavy matter in the adjoint of the gauge group. By calculating correlators of Wilson loops, we reduce the problem to a problem in representation theory of Lie groups, that we solve in full generality.
Kac Victor
Troost Jan
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