We study the dynamics of sigma models in arbitrary dimensions with purely Wess-Zumino-Witten actions (i.e. without kinetic terms), both from the lagrangian and hamiltonian point of view. These models have non-trivial gauge groups which contain the diffeomorphisms of space-time, as well as symmetry groups which in many cases turn out to be infinite dimensional. We give examples in 1, 2, 3 and 4 space-time dimensions.
Sigma models with purely Wess-Zumino-Witten actions / Floreanini, R; Percacci, Roberto; Sezgin, E.. - In: NUCLEAR PHYSICS. B. - ISSN 0550-3213. - 322:1(1989), pp. 255-276. [10.1016/0550-3213(89)90493-8]
Sigma models with purely Wess-Zumino-Witten actions
Percacci, Roberto;
1989-01-01
Abstract
We study the dynamics of sigma models in arbitrary dimensions with purely Wess-Zumino-Witten actions (i.e. without kinetic terms), both from the lagrangian and hamiltonian point of view. These models have non-trivial gauge groups which contain the diffeomorphisms of space-time, as well as symmetry groups which in many cases turn out to be infinite dimensional. We give examples in 1, 2, 3 and 4 space-time dimensions.File in questo prodotto:
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