Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1995-11-22
Physics
High Energy Physics
High Energy Physics - Theory
18 pages, plain Tex, based on talks given by C.M. Becchi at the ``International Symposium on BRS Symmetry on the Occasion of i
Scientific paper
We present a very simplified analysis of how one can overcome the Gribov problem in a non-abelian gauge theory. Our formulae, albeit quite simplified, show that possible breakdowns of the Slavnov-Taylor identity could in principle come from singularities in space of gauge orbits. To test these ideas we exhibit the calculation of a very simple correlation function of 2-dimensional topological gravity and we show how in this model the singularities of the moduli space induce a breakdown of the Slavnov-Taylor identity. We comment on the technical relevance of the possibility of including the singularities into a finite number of cells of the moduli space.
Becchi Carlo M.
Imbimbo Camillo
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