Quantum Corrections to the Universal Hypermultiplet and Superspace

Details Quantum Corrections to the Universal Hypermultiplet and Superspace Quantum Corrections to the Universal Hypermultiplet and Superspace

2004-02-17

arxiv.org/abs/hep-th/0402132v1

Phys.Rev. D70 (2004) 066001

Physics

High Energy Physics

High Energy Physics - Theory

23 pages

Scientific paper

10.1103/PhysRevD.70.066001

We investigate quantum corrections to the effective action of the universal hypermultiplet in the language of projective superspace. We rederive the recently found one-loop correction to the universal hypermultiplet moduli space geometry. The deformed metric is described as a superspace action in terms of a single function, homogeneous of first degree. Our framework leads us to a natural proposal for the nonperturbative moduli space metric induced by five-brane instantons.

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