Non-perturbative transitions among intersecting-brane vacua

Details Non-perturbative transitions among intersecting-brane vacua Non-perturbative transitions among intersecting-brane vacua

2011-05-17

arxiv.org/abs/1105.3465v2

JHEP 1107:123,2011

Physics

High Energy Physics

High Energy Physics - Theory

52 pages, 2 figures. Typos corrected

Scientific paper

10.1007/JHEP07(2011)123

We investigate the transmutation of D-branes into Abelian magnetic backgrounds on the world-volume of higher-dimensional branes, within the framework of global models with compact internal dimensions. The phenomenon, T-dual to brane recombination in the intersecting-brane picture, shares some similarities to inverse small-instanton transitions in non-compact spaces, though in this case the Abelian magnetic background is a consequence of the compactness of the internal manifold, and is not ascribed to a zero-size non-Abelian instanton growing to maximal size. We provide details of the transition in various supersymmetric orientifolds and non-supersymmetric tachyon-free vacua with Brane Supersymmetry Breaking, both from brane recombination and from a field theory Higgs mechanism viewpoints.

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