M-Theory and Topological Strings--II

Details M-Theory and Topological Strings--II M-Theory and Topological Strings--II

1998-12-15

arxiv.org/abs/hep-th/9812127v1

Physics

High Energy Physics

High Energy Physics - Theory

19 pages

Scientific paper

It is shown how the topological string amplitudes encode the BPS structure of wrapped M2 branes in M-theory compactification on Calabi-Yau threefolds. This in turn is related to a twisted supersymmetric index in 5 dimensions which receives contribution only from BPS states. The spin dependence of BPS states in 5 dimensions is captured by the string coupling constant dependence of topological string amplitudes.

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