paper

Branes at Orbifolds versus Hanany Witten in Six Dimensions

arXiv:hep-th/9712143 · doi:10.1088/1126-6708/1998/03/003

Abstract

We reconstruct non-trivial 6d theories obtained by Blum and Intriligator by considering IIB or SO(32) 5 branes at ALE spaces in the language of Hanany Witten setups. Using ST duality we make the equivalence of the two approaches manifest, thereby uncovering several new T-duality relations between the group theoretic data describing the embedding of the instantonic 5 brane in the ALE and brane positions in the Hanany Witten language. We construct several new 6d theories, which can be understood as arising on 5 branes in IIB orientifolds with oppositely charged orientifold planes recently introduced by Witten.

24 pages, LaTeX2e, 11 figures, using utarticle.cls (included). Typos corrected, Acknowledgements added

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