Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1993-07-28
Phys.Lett. B316 (1993) 488-495
Physics
High Energy Physics
High Energy Physics - Theory
16 pages
Scientific paper
10.1016/0370-2693(93)91033-J
Two-dimensional topological field theories possessing a non-abelian current symmetry are constructed. The topological conformal algebra of these models is analysed. It differs from the one obtained by twisting the $N=2$ superconformal models and contains generators of dimensions $1$, $2$ and $3$ that close a linear algebra. Our construction can be carried out with one and two bosonic currents and the resulting theories can be interpreted as topological sigma models for group manifolds
Isidro Jose M.
Ramallo Alfonso V.
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