Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1999-01-25
Nucl.Phys. B551 (1999) 102-116
Physics
High Energy Physics
High Energy Physics - Theory
18 pages, version to appear in Nuclear Physics B
Scientific paper
10.1016/S0550-3213(99)00235-7
We analyze the hypermultiplet moduli space describing the universal sector of type IIA theory compactified on a Calabi-Yau threefold. The classical moduli space is described in terms of the coset $SU(2,1)/U(2)$. The flux quantization condition of the antisymmetric tensor field of M-theory implies discrete identifications for the scalar fields describing this four- dimensional quaternionic geometry. Non-perturbative corrections of the classical theory are described in terms of a membrane- fivebrane instanton action which we construct herein.
Becker Katrin
Becker Melanie
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