Level-rank duality of untwisted and twisted D-branes

Details Level-rank duality of untwisted and twisted D-branes Level-rank duality of untwisted and twisted D-branes

2006-01-23

arxiv.org/abs/hep-th/0601175v2

Nucl.Phys.B742:295-311,2006

Physics

High Energy Physics

High Energy Physics - Theory

20 pages. v2: minor clarification and added references

Scientific paper

10.1016/j.nuclphysb.2006.03.006

Level-rank duality of untwisted and twisted D-branes of WZW models is explored. We derive the relation between D0-brane charges of level-rank dual untwisted D-branes of su(N)_K and sp(n)_k, and of level-rank dual twisted D-branes of su(2n+1)_2k+1. The analysis of level-rank duality of twisted D-branes of su(2n+1)_2k+1 is facilitated by their close relation to untwisted D-branes of sp(n)_k. We also demonstrate level-rank duality of the spectrum of an open string stretched between untwisted or twisted D-branes in each of these cases.

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