- Cohomological Yang-Mills Theories on Kahler 3-Folds
- Nuclear Physics B
- Volume | Issue number
- 600 | 1
- Pages (from-to)
- Document type
- Faculty of Science (FNWI)
- Institute for Theoretical Physics Amsterdam (ITFA)
We study topological gauge theories with N-c = (2, 0) supersymmetry based on stable bundles on general Kahler 3-folds. In order to have a theory that is well defined and well behaved, we consider a model based on an extension of the usual holomorphic bundle by including a holomorphic 3-form. The correlation functions of the model describe complex 3-dimensional generalizations of Donaldson-Witten type invariants, We show that the path integral can be written as a sum of contributions from stable bundles and a complex 3-dimensional version of Seibeg-Witten monopoles. We study certain deformations of the theory, which allow us to consider the situation of reducible connections. We shortly discuss situations of reduced holonomy. After dimensional reduction to a Kahler 2-fold, the theory reduces to Vafa-Witten theory. On a Calabi-Yau 3-fold, the supersymmetry is enhanced to N-c = (2, 2). This model map be used to describe classical limits of certain compactifications of (matrix) string theory.
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