Moduli Spaces in the Four-Dimensional Topological Half-Flat Gravity

Details Moduli Spaces in the Four-Dimensional Topological Half-Flat Gravity Moduli Spaces in the Four-Dimensional Topological Half-Flat Gravity

1995-06-25

arxiv.org/abs/hep-th/9506164v2

Mod. Phys. Lett. A10 (1995) 2401

Physics

High Energy Physics

High Energy Physics - Theory

13pages, LaTex

Scientific paper

10.1142/S0217732395002556

We classify the moduli spaces of the four-dimensional topological half-flat gravity models by using the canonical bundle. For a K3-surface or four-dimensional torus, they describe an equivalent class of a trio of the Einstein-Kahler forms ( the hyperkahler forms ). We calculate the dimensions of these moduli spaces by using the Atiyah-Singer Index theorem. We mention the partition function and the possibility of the observables in the Witten-type topological half-flat gravity model case.

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