On spacetime supersymmetry and string duality in nine dimensions

Abou-Zeid, Mohab; Nicolai, Hermann

doi:10.1016/S0920-5632(00)00765-9

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On spacetime supersymmetry and string duality in nine dimensions

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Abou-Zeid, Mohab
Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Nicolai, Hermann
Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Abou-Zeid, M., & Nicolai, H. (2000). On spacetime supersymmetry and string duality in nine dimensions. Nuclear Physics B, 88(1-3), 168-174. doi:10.1016/S0920-5632(00)00765-9.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-579C-7

Abstract

N = 2 extended space-time supersymmetry in nine dimensions implies that the BPS states corresponding to momentum and winding of either of the type-II superstrings compactified on S1 transform as inequivalent supermultiplets. This fact can be checked using world-sheet techniques, and provides the physical basis for the connection between IIA superstring theory compactified on a circle of radius R and IIB theory compactified on a circle of radius 1/R. Aspects of the duality between M-theory compactified on T2 and IIB theory compactified on S1 follow from the structure of N = 2, D = 9 supergravity. The coupling of N = 2, D = 9 supergravity to the BPS states is also discussed.