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arXiv · hep-th/9305185

Duality Symmetries of 4D Heterotic Strings

John H. Schwarz·Ashoke Sen
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Abstract

Target space duality (T duality), which interchanges Kaluza--Klein and winding-mode excitations of the compactified heterotic string, is realized as a symmetry of a world-sheet action. Axion-dilaton duality (S duality), a conjectured nonperturbative SL(2,Z) symmetry of the same theory, plays an analogous role for five-branes. We describe a soliton spectrum possessing both duality symmetries and argue that the theory has an infinite number of dual string descriptions.

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John H. Schwarz, Ashoke Sen. 1993-05-31. Duality Symmetries of 4D Heterotic Strings. https://doi.org/10.1016/0370-2693(93)90495-4

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