Effective actions, relative cohomology and Chern Simons forms
arXiv:hep-th/9711064 · doi:10.1016/S0370-2693(97)01434-2
Abstract
The explicit expression of all the WZW effective actions for a simple group G broken down to a subgroup H is established in a simple and direct way, and the formal similarity of these actions to the Chern-Simons forms is explained. Applications are also discussed.
11 pages. Latex2e file. Published version